29351920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{167}}^1$

素因数の和:219

約数の個数: 80

約数和(自身を含む): 74370240

約数和(自身を除く): 45018320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 167, 169, 208, 260, 334, 338, 520, 668, 676, 835, 845, 1040, 1336, 1352, 1670, 1690, 2171, 2197, 2672, 2704, 3340, 3380, 4342, 4394, 6680, 6760, 8684, 8788, 10855, 10985, 13360, 13520, 17368, 17576, 21710, 21970, 28223, 34736, 35152, 43420, 43940, 56446, 86840, 87880, 112892, 141115, 173680, 175760, 225784, 282230, 366899, 451568, 564460, 733798, 1128920, 1467596, 1834495, 2257840, 2935192, 3668990, 5870384, 7337980, 14675960, 29351920]

約数ペア:

[(1, 29351920), (2, 14675960), (4, 7337980), (5, 5870384), (8, 3668990), (10, 2935192), (13, 2257840), (16, 1834495), (20, 1467596), (26, 1128920), (40, 733798), (52, 564460), (65, 451568), (80, 366899), (104, 282230), (130, 225784), (167, 175760), (169, 173680), (208, 141115), (260, 112892), (334, 87880), (338, 86840), (520, 56446), (668, 43940), (676, 43420), (835, 35152), (845, 34736), (1040, 28223), (1336, 21970), (1352, 21710), (1670, 17576), (1690, 17368), (2171, 13520), (2197, 13360), (2672, 10985), (2704, 10855), (3340, 8788), (3380, 8684), (4342, 6760), (4394, 6680)]