64083740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1153}}^1$

素因数の和:1566

約数の個数: 48

約数和(自身を含む): 154322112

約数和(自身を除く): 90238372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1153, 1588, 1985, 2306, 2779, 3970, 4612, 5558, 5765, 7940, 8071, 11116, 11530, 13895, 16142, 23060, 27790, 32284, 40355, 55580, 80710, 161420, 457741, 915482, 1830964, 2288705, 3204187, 4577410, 6408374, 9154820, 12816748, 16020935, 32041870, 64083740]

約数ペア:

[(1, 64083740), (2, 32041870), (4, 16020935), (5, 12816748), (7, 9154820), (10, 6408374), (14, 4577410), (20, 3204187), (28, 2288705), (35, 1830964), (70, 915482), (140, 457741), (397, 161420), (794, 80710), (1153, 55580), (1588, 40355), (1985, 32284), (2306, 27790), (2779, 23060), (3970, 16142), (4612, 13895), (5558, 11530), (5765, 11116), (7940, 8071)]