39931840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 112

約数和(自身を含む): 106253280

約数和(自身を除く): 66321440

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, 331, 377, 416, 464, 520, 580, 662, 754, 832, 928, 1040, 1160, 1324, 1508, 1655, 1856, 1885, 2080, 2320, 2648, 3016, 3310, 3770, 4160, 4303, 4640, 5296, 6032, 6620, 7540, 8606, 9280, 9599, 10592, 12064, 13240, 15080, 17212, 19198, 21184, 21515, 24128, 26480, 30160, 34424, 38396, 43030, 47995, 52960, 60320, 68848, 76792, 86060, 95990, 105920, 120640, 124787, 137696, 153584, 172120, 191980, 249574, 275392, 307168, 344240, 383960, 499148, 614336, 623935, 688480, 767920, 998296, 1247870, 1376960, 1535840, 1996592, 2495740, 3071680, 3993184, 4991480, 7986368, 9982960, 19965920, 39931840]

約数ペア:

[(1, 39931840), (2, 19965920), (4, 9982960), (5, 7986368), (8, 4991480), (10, 3993184), (13, 3071680), (16, 2495740), (20, 1996592), (26, 1535840), (29, 1376960), (32, 1247870), (40, 998296), (52, 767920), (58, 688480), (64, 623935), (65, 614336), (80, 499148), (104, 383960), (116, 344240), (130, 307168), (145, 275392), (160, 249574), (208, 191980), (232, 172120), (260, 153584), (290, 137696), (320, 124787), (331, 120640), (377, 105920), (416, 95990), (464, 86060), (520, 76792), (580, 68848), (662, 60320), (754, 52960), (832, 47995), (928, 43030), (1040, 38396), (1160, 34424), (1324, 30160), (1508, 26480), (1655, 24128), (1856, 21515), (1885, 21184), (2080, 19198), (2320, 17212), (2648, 15080), (3016, 13240), (3310, 12064), (3770, 10592), (4160, 9599), (4303, 9280), (4640, 8606), (5296, 7540), (6032, 6620)]