2257840

素因数分解:

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

素因数の和:206

約数の個数: 60

約数和(自身を含む): 5718384

約数和(自身を除く): 3460544

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, 2672, 2704, 3340, 3380, 4342, 6680, 6760, 8684, 10855, 13360, 13520, 17368, 21710, 28223, 34736, 43420, 56446, 86840, 112892, 141115, 173680, 225784, 282230, 451568, 564460, 1128920, 2257840]

約数ペア:

[(1, 2257840), (2, 1128920), (4, 564460), (5, 451568), (8, 282230), (10, 225784), (13, 173680), (16, 141115), (20, 112892), (26, 86840), (40, 56446), (52, 43420), (65, 34736), (80, 28223), (104, 21710), (130, 17368), (167, 13520), (169, 13360), (208, 10855), (260, 8684), (334, 6760), (338, 6680), (520, 4342), (668, 3380), (676, 3340), (835, 2704), (845, 2672), (1040, 2171), (1336, 1690), (1352, 1670)]