87545051920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{140603}}^1$

素因数の和:140840

約数の個数: 80

約数和(自身を含む): 209427970752

約数和(自身を除く): 121882918832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 181, 215, 344, 362, 430, 688, 724, 860, 905, 1448, 1720, 1810, 2896, 3440, 3620, 7240, 7783, 14480, 15566, 31132, 38915, 62264, 77830, 124528, 140603, 155660, 281206, 311320, 562412, 622640, 703015, 1124824, 1406030, 2249648, 2812060, 5624120, 6045929, 11248240, 12091858, 24183716, 25449143, 30229645, 48367432, 50898286, 60459290, 96734864, 101796572, 120918580, 127245715, 203593144, 241837160, 254491430, 407186288, 483674320, 508982860, 1017965720, 1094313149, 2035931440, 2188626298, 4377252596, 5471565745, 8754505192, 10943131490, 17509010384, 21886262980, 43772525960, 87545051920]

約数ペア:

[(1, 87545051920), (2, 43772525960), (4, 21886262980), (5, 17509010384), (8, 10943131490), (10, 8754505192), (16, 5471565745), (20, 4377252596), (40, 2188626298), (43, 2035931440), (80, 1094313149), (86, 1017965720), (172, 508982860), (181, 483674320), (215, 407186288), (344, 254491430), (362, 241837160), (430, 203593144), (688, 127245715), (724, 120918580), (860, 101796572), (905, 96734864), (1448, 60459290), (1720, 50898286), (1810, 48367432), (2896, 30229645), (3440, 25449143), (3620, 24183716), (7240, 12091858), (7783, 11248240), (14480, 6045929), (15566, 5624120), (31132, 2812060), (38915, 2249648), (62264, 1406030), (77830, 1124824), (124528, 703015), (140603, 622640), (155660, 562412), (281206, 311320)]