31436080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 79619904

約数和(自身を除く): 48183824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 167, 181, 208, 260, 334, 362, 520, 668, 724, 835, 905, 1040, 1336, 1448, 1670, 1810, 2171, 2353, 2672, 2896, 3340, 3620, 4342, 4706, 6680, 7240, 8684, 9412, 10855, 11765, 13360, 14480, 17368, 18824, 21710, 23530, 30227, 34736, 37648, 43420, 47060, 60454, 86840, 94120, 120908, 151135, 173680, 188240, 241816, 302270, 392951, 483632, 604540, 785902, 1209080, 1571804, 1964755, 2418160, 3143608, 3929510, 6287216, 7859020, 15718040, 31436080]

約数ペア:

[(1, 31436080), (2, 15718040), (4, 7859020), (5, 6287216), (8, 3929510), (10, 3143608), (13, 2418160), (16, 1964755), (20, 1571804), (26, 1209080), (40, 785902), (52, 604540), (65, 483632), (80, 392951), (104, 302270), (130, 241816), (167, 188240), (181, 173680), (208, 151135), (260, 120908), (334, 94120), (362, 86840), (520, 60454), (668, 47060), (724, 43420), (835, 37648), (905, 34736), (1040, 30227), (1336, 23530), (1448, 21710), (1670, 18824), (1810, 17368), (2171, 14480), (2353, 13360), (2672, 11765), (2896, 10855), (3340, 9412), (3620, 8684), (4342, 7240), (4706, 6680)]