31773040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 80494848

約数和(自身を除く): 48721808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 223, 260, 274, 446, 520, 548, 685, 892, 1040, 1096, 1115, 1370, 1781, 1784, 2192, 2230, 2740, 2899, 3562, 3568, 4460, 5480, 5798, 7124, 8905, 8920, 10960, 11596, 14248, 14495, 17810, 17840, 23192, 28496, 28990, 30551, 35620, 46384, 57980, 61102, 71240, 115960, 122204, 142480, 152755, 231920, 244408, 305510, 397163, 488816, 611020, 794326, 1222040, 1588652, 1985815, 2444080, 3177304, 3971630, 6354608, 7943260, 15886520, 31773040]

約数ペア:

[(1, 31773040), (2, 15886520), (4, 7943260), (5, 6354608), (8, 3971630), (10, 3177304), (13, 2444080), (16, 1985815), (20, 1588652), (26, 1222040), (40, 794326), (52, 611020), (65, 488816), (80, 397163), (104, 305510), (130, 244408), (137, 231920), (208, 152755), (223, 142480), (260, 122204), (274, 115960), (446, 71240), (520, 61102), (548, 57980), (685, 46384), (892, 35620), (1040, 30551), (1096, 28990), (1115, 28496), (1370, 23192), (1781, 17840), (1784, 17810), (2192, 14495), (2230, 14248), (2740, 11596), (2899, 10960), (3562, 8920), (3568, 8905), (4460, 7124), (5480, 5798)]