38969840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 160

約数和(自身を含む): 114742656

約数和(自身を除く): 75772816

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 53, 56, 65, 70, 80, 91, 101, 104, 106, 112, 130, 140, 182, 202, 208, 212, 260, 265, 280, 364, 371, 404, 424, 455, 505, 520, 530, 560, 689, 707, 728, 742, 808, 848, 910, 1010, 1040, 1060, 1313, 1378, 1414, 1456, 1484, 1616, 1820, 1855, 2020, 2120, 2626, 2756, 2828, 2968, 3445, 3535, 3640, 3710, 4040, 4240, 4823, 5252, 5353, 5512, 5656, 5936, 6565, 6890, 7070, 7280, 7420, 8080, 9191, 9646, 10504, 10706, 11024, 11312, 13130, 13780, 14140, 14840, 18382, 19292, 21008, 21412, 24115, 26260, 26765, 27560, 28280, 29680, 36764, 37471, 38584, 42824, 45955, 48230, 52520, 53530, 55120, 56560, 69589, 73528, 74942, 77168, 85648, 91910, 96460, 105040, 107060, 139178, 147056, 149884, 183820, 187355, 192920, 214120, 278356, 299768, 347945, 367640, 374710, 385840, 428240, 487123, 556712, 599536, 695890, 735280, 749420, 974246, 1113424, 1391780, 1498840, 1948492, 2435615, 2783560, 2997680, 3896984, 4871230, 5567120, 7793968, 9742460, 19484920, 38969840]

約数ペア:

[(1, 38969840), (2, 19484920), (4, 9742460), (5, 7793968), (7, 5567120), (8, 4871230), (10, 3896984), (13, 2997680), (14, 2783560), (16, 2435615), (20, 1948492), (26, 1498840), (28, 1391780), (35, 1113424), (40, 974246), (52, 749420), (53, 735280), (56, 695890), (65, 599536), (70, 556712), (80, 487123), (91, 428240), (101, 385840), (104, 374710), (106, 367640), (112, 347945), (130, 299768), (140, 278356), (182, 214120), (202, 192920), (208, 187355), (212, 183820), (260, 149884), (265, 147056), (280, 139178), (364, 107060), (371, 105040), (404, 96460), (424, 91910), (455, 85648), (505, 77168), (520, 74942), (530, 73528), (560, 69589), (689, 56560), (707, 55120), (728, 53530), (742, 52520), (808, 48230), (848, 45955), (910, 42824), (1010, 38584), (1040, 37471), (1060, 36764), (1313, 29680), (1378, 28280), (1414, 27560), (1456, 26765), (1484, 26260), (1616, 24115), (1820, 21412), (1855, 21008), (2020, 19292), (2120, 18382), (2626, 14840), (2756, 14140), (2828, 13780), (2968, 13130), (3445, 11312), (3535, 11024), (3640, 10706), (3710, 10504), (4040, 9646), (4240, 9191), (4823, 8080), (5252, 7420), (5353, 7280), (5512, 7070), (5656, 6890), (5936, 6565)]