40290700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 92744064

約数和(自身を除く): 52453364

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 41, 50, 62, 82, 100, 124, 155, 164, 205, 310, 317, 410, 620, 634, 775, 820, 1025, 1268, 1271, 1550, 1585, 2050, 2542, 3100, 3170, 4100, 5084, 6340, 6355, 7925, 9827, 12710, 12997, 15850, 19654, 25420, 25994, 31700, 31775, 39308, 49135, 51988, 63550, 64985, 98270, 127100, 129970, 196540, 245675, 259940, 324925, 402907, 491350, 649850, 805814, 982700, 1299700, 1611628, 2014535, 4029070, 8058140, 10072675, 20145350, 40290700]

約数ペア:

[(1, 40290700), (2, 20145350), (4, 10072675), (5, 8058140), (10, 4029070), (20, 2014535), (25, 1611628), (31, 1299700), (41, 982700), (50, 805814), (62, 649850), (82, 491350), (100, 402907), (124, 324925), (155, 259940), (164, 245675), (205, 196540), (310, 129970), (317, 127100), (410, 98270), (620, 64985), (634, 63550), (775, 51988), (820, 49135), (1025, 39308), (1268, 31775), (1271, 31700), (1550, 25994), (1585, 25420), (2050, 19654), (2542, 15850), (3100, 12997), (3170, 12710), (4100, 9827), (5084, 7925), (6340, 6355)]