31060640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 80332560

約数和(自身を除く): 49271920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 109, 130, 137, 160, 208, 218, 260, 274, 416, 436, 520, 545, 548, 685, 872, 1040, 1090, 1096, 1370, 1417, 1744, 1781, 2080, 2180, 2192, 2740, 2834, 3488, 3562, 4360, 4384, 5480, 5668, 7085, 7124, 8720, 8905, 10960, 11336, 14170, 14248, 14933, 17440, 17810, 21920, 22672, 28340, 28496, 29866, 35620, 45344, 56680, 56992, 59732, 71240, 74665, 113360, 119464, 142480, 149330, 194129, 226720, 238928, 284960, 298660, 388258, 477856, 597320, 776516, 970645, 1194640, 1553032, 1941290, 2389280, 3106064, 3882580, 6212128, 7765160, 15530320, 31060640]

約数ペア:

[(1, 31060640), (2, 15530320), (4, 7765160), (5, 6212128), (8, 3882580), (10, 3106064), (13, 2389280), (16, 1941290), (20, 1553032), (26, 1194640), (32, 970645), (40, 776516), (52, 597320), (65, 477856), (80, 388258), (104, 298660), (109, 284960), (130, 238928), (137, 226720), (160, 194129), (208, 149330), (218, 142480), (260, 119464), (274, 113360), (416, 74665), (436, 71240), (520, 59732), (545, 56992), (548, 56680), (685, 45344), (872, 35620), (1040, 29866), (1090, 28496), (1096, 28340), (1370, 22672), (1417, 21920), (1744, 17810), (1781, 17440), (2080, 14933), (2180, 14248), (2192, 14170), (2740, 11336), (2834, 10960), (3488, 8905), (3562, 8720), (4360, 7124), (4384, 7085), (5480, 5668)]