31790960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 77941440

約数和(自身を除く): 46150480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 71, 80, 116, 142, 145, 193, 232, 284, 290, 355, 386, 464, 568, 580, 710, 772, 965, 1136, 1160, 1420, 1544, 1930, 2059, 2320, 2840, 3088, 3860, 4118, 5597, 5680, 7720, 8236, 10295, 11194, 13703, 15440, 16472, 20590, 22388, 27406, 27985, 32944, 41180, 44776, 54812, 55970, 68515, 82360, 89552, 109624, 111940, 137030, 164720, 219248, 223880, 274060, 397387, 447760, 548120, 794774, 1096240, 1589548, 1986935, 3179096, 3973870, 6358192, 7947740, 15895480, 31790960]

約数ペア:

[(1, 31790960), (2, 15895480), (4, 7947740), (5, 6358192), (8, 3973870), (10, 3179096), (16, 1986935), (20, 1589548), (29, 1096240), (40, 794774), (58, 548120), (71, 447760), (80, 397387), (116, 274060), (142, 223880), (145, 219248), (193, 164720), (232, 137030), (284, 111940), (290, 109624), (355, 89552), (386, 82360), (464, 68515), (568, 55970), (580, 54812), (710, 44776), (772, 41180), (965, 32944), (1136, 27985), (1160, 27406), (1420, 22388), (1544, 20590), (1930, 16472), (2059, 15440), (2320, 13703), (2840, 11194), (3088, 10295), (3860, 8236), (4118, 7720), (5597, 5680)]