52779640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 122492160

約数和(自身を除く): 69712520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 97, 122, 194, 223, 244, 305, 388, 446, 485, 488, 610, 776, 892, 970, 1115, 1220, 1784, 1940, 2230, 2440, 3880, 4460, 5917, 8920, 11834, 13603, 21631, 23668, 27206, 29585, 43262, 47336, 54412, 59170, 68015, 86524, 108155, 108824, 118340, 136030, 173048, 216310, 236680, 272060, 432620, 544120, 865240, 1319491, 2638982, 5277964, 6597455, 10555928, 13194910, 26389820, 52779640]

約数ペア:

[(1, 52779640), (2, 26389820), (4, 13194910), (5, 10555928), (8, 6597455), (10, 5277964), (20, 2638982), (40, 1319491), (61, 865240), (97, 544120), (122, 432620), (194, 272060), (223, 236680), (244, 216310), (305, 173048), (388, 136030), (446, 118340), (485, 108824), (488, 108155), (610, 86524), (776, 68015), (892, 59170), (970, 54412), (1115, 47336), (1220, 43262), (1784, 29585), (1940, 27206), (2230, 23668), (2440, 21631), (3880, 13603), (4460, 11834), (5917, 8920)]