120640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:59

約数の個数: 56

約数和(自身を含む): 320040

約数和(自身を除く): 199400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 130, 145, 160, 208, 232, 260, 290, 320, 377, 416, 464, 520, 580, 754, 832, 928, 1040, 1160, 1508, 1856, 1885, 2080, 2320, 3016, 3770, 4160, 4640, 6032, 7540, 9280, 12064, 15080, 24128, 30160, 60320, 120640]

約数ペア:

[(1, 120640), (2, 60320), (4, 30160), (5, 24128), (8, 15080), (10, 12064), (13, 9280), (16, 7540), (20, 6032), (26, 4640), (29, 4160), (32, 3770), (40, 3016), (52, 2320), (58, 2080), (64, 1885), (65, 1856), (80, 1508), (104, 1160), (116, 1040), (130, 928), (145, 832), (160, 754), (208, 580), (232, 520), (260, 464), (290, 416), (320, 377)]