17753840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 45601248

約数和(自身を除く): 27847408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 397, 430, 520, 559, 688, 794, 860, 1040, 1118, 1588, 1720, 1985, 2236, 2795, 3176, 3440, 3970, 4472, 5161, 5590, 6352, 7940, 8944, 10322, 11180, 15880, 17071, 20644, 22360, 25805, 31760, 34142, 41288, 44720, 51610, 68284, 82576, 85355, 103220, 136568, 170710, 206440, 221923, 273136, 341420, 412880, 443846, 682840, 887692, 1109615, 1365680, 1775384, 2219230, 3550768, 4438460, 8876920, 17753840]

約数ペア:

[(1, 17753840), (2, 8876920), (4, 4438460), (5, 3550768), (8, 2219230), (10, 1775384), (13, 1365680), (16, 1109615), (20, 887692), (26, 682840), (40, 443846), (43, 412880), (52, 341420), (65, 273136), (80, 221923), (86, 206440), (104, 170710), (130, 136568), (172, 103220), (208, 85355), (215, 82576), (260, 68284), (344, 51610), (397, 44720), (430, 41288), (520, 34142), (559, 31760), (688, 25805), (794, 22360), (860, 20644), (1040, 17071), (1118, 15880), (1588, 11180), (1720, 10322), (1985, 8944), (2236, 7940), (2795, 6352), (3176, 5590), (3440, 5161), (3970, 4472)]