40376960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:266

約数の個数: 128

約数和(自身を含む): 108984960

約数和(自身を除く): 68608000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 211, 230, 260, 299, 320, 368, 416, 422, 460, 520, 598, 640, 736, 832, 844, 920, 1040, 1055, 1196, 1472, 1495, 1664, 1688, 1840, 2080, 2110, 2392, 2743, 2944, 2990, 3376, 3680, 4160, 4220, 4784, 4853, 5486, 5980, 6752, 7360, 8320, 8440, 9568, 9706, 10972, 11960, 13504, 13715, 14720, 16880, 19136, 19412, 21944, 23920, 24265, 27008, 27430, 33760, 38272, 38824, 43888, 47840, 48530, 54860, 63089, 67520, 77648, 87776, 95680, 97060, 109720, 126178, 135040, 155296, 175552, 191360, 194120, 219440, 252356, 310592, 315445, 351104, 388240, 438880, 504712, 621184, 630890, 776480, 877760, 1009424, 1261780, 1552960, 1755520, 2018848, 2523560, 3105920, 4037696, 5047120, 8075392, 10094240, 20188480, 40376960]

約数ペア:

[(1, 40376960), (2, 20188480), (4, 10094240), (5, 8075392), (8, 5047120), (10, 4037696), (13, 3105920), (16, 2523560), (20, 2018848), (23, 1755520), (26, 1552960), (32, 1261780), (40, 1009424), (46, 877760), (52, 776480), (64, 630890), (65, 621184), (80, 504712), (92, 438880), (104, 388240), (115, 351104), (128, 315445), (130, 310592), (160, 252356), (184, 219440), (208, 194120), (211, 191360), (230, 175552), (260, 155296), (299, 135040), (320, 126178), (368, 109720), (416, 97060), (422, 95680), (460, 87776), (520, 77648), (598, 67520), (640, 63089), (736, 54860), (832, 48530), (844, 47840), (920, 43888), (1040, 38824), (1055, 38272), (1196, 33760), (1472, 27430), (1495, 27008), (1664, 24265), (1688, 23920), (1840, 21944), (2080, 19412), (2110, 19136), (2392, 16880), (2743, 14720), (2944, 13715), (2990, 13504), (3376, 11960), (3680, 10972), (4160, 9706), (4220, 9568), (4784, 8440), (4853, 8320), (5486, 7360), (5980, 6752)]