31476640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:474

約数の個数: 96

約数和(自身を含む): 82449360

約数和(自身を除く): 50972720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 65, 74, 80, 104, 130, 148, 160, 185, 208, 260, 296, 370, 409, 416, 481, 520, 592, 740, 818, 962, 1040, 1184, 1480, 1636, 1924, 2045, 2080, 2405, 2960, 3272, 3848, 4090, 4810, 5317, 5920, 6544, 7696, 8180, 9620, 10634, 13088, 15133, 15392, 16360, 19240, 21268, 26585, 30266, 32720, 38480, 42536, 53170, 60532, 65440, 75665, 76960, 85072, 106340, 121064, 151330, 170144, 196729, 212680, 242128, 302660, 393458, 425360, 484256, 605320, 786916, 850720, 983645, 1210640, 1573832, 1967290, 2421280, 3147664, 3934580, 6295328, 7869160, 15738320, 31476640]

約数ペア:

[(1, 31476640), (2, 15738320), (4, 7869160), (5, 6295328), (8, 3934580), (10, 3147664), (13, 2421280), (16, 1967290), (20, 1573832), (26, 1210640), (32, 983645), (37, 850720), (40, 786916), (52, 605320), (65, 484256), (74, 425360), (80, 393458), (104, 302660), (130, 242128), (148, 212680), (160, 196729), (185, 170144), (208, 151330), (260, 121064), (296, 106340), (370, 85072), (409, 76960), (416, 75665), (481, 65440), (520, 60532), (592, 53170), (740, 42536), (818, 38480), (962, 32720), (1040, 30266), (1184, 26585), (1480, 21268), (1636, 19240), (1924, 16360), (2045, 15392), (2080, 15133), (2405, 13088), (2960, 10634), (3272, 9620), (3848, 8180), (4090, 7696), (4810, 6544), (5317, 5920)]