28133560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 79833600

約数和(自身を除く): 51700040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 91, 104, 118, 130, 131, 140, 182, 236, 260, 262, 280, 295, 364, 413, 455, 472, 520, 524, 590, 655, 728, 767, 826, 910, 917, 1048, 1180, 1310, 1534, 1652, 1703, 1820, 1834, 2065, 2360, 2620, 3068, 3304, 3406, 3640, 3668, 3835, 4130, 4585, 5240, 5369, 6136, 6812, 7336, 7670, 7729, 8260, 8515, 9170, 10738, 11921, 13624, 15340, 15458, 16520, 17030, 18340, 21476, 23842, 26845, 30680, 30916, 34060, 36680, 38645, 42952, 47684, 53690, 54103, 59605, 61832, 68120, 77290, 95368, 100477, 107380, 108206, 119210, 154580, 200954, 214760, 216412, 238420, 270515, 309160, 401908, 432824, 476840, 502385, 541030, 703339, 803816, 1004770, 1082060, 1406678, 2009540, 2164120, 2813356, 3516695, 4019080, 5626712, 7033390, 14066780, 28133560]

約数ペア:

[(1, 28133560), (2, 14066780), (4, 7033390), (5, 5626712), (7, 4019080), (8, 3516695), (10, 2813356), (13, 2164120), (14, 2009540), (20, 1406678), (26, 1082060), (28, 1004770), (35, 803816), (40, 703339), (52, 541030), (56, 502385), (59, 476840), (65, 432824), (70, 401908), (91, 309160), (104, 270515), (118, 238420), (130, 216412), (131, 214760), (140, 200954), (182, 154580), (236, 119210), (260, 108206), (262, 107380), (280, 100477), (295, 95368), (364, 77290), (413, 68120), (455, 61832), (472, 59605), (520, 54103), (524, 53690), (590, 47684), (655, 42952), (728, 38645), (767, 36680), (826, 34060), (910, 30916), (917, 30680), (1048, 26845), (1180, 23842), (1310, 21476), (1534, 18340), (1652, 17030), (1703, 16520), (1820, 15458), (1834, 15340), (2065, 13624), (2360, 11921), (2620, 10738), (3068, 9170), (3304, 8515), (3406, 8260), (3640, 7729), (3668, 7670), (3835, 7336), (4130, 6812), (4585, 6136), (5240, 5369)]