80049840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25657}}^1$

素因数の和:25686

約数の個数: 80

約数和(自身を含む): 267253728

約数和(自身を除く): 187203888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 25657, 51314, 76971, 102628, 128285, 153942, 205256, 256570, 307884, 333541, 384855, 410512, 513140, 615768, 667082, 769710, 1000623, 1026280, 1231536, 1334164, 1539420, 1667705, 2001246, 2052560, 2668328, 3078840, 3335410, 4002492, 5003115, 5336656, 6157680, 6670820, 8004984, 10006230, 13341640, 16009968, 20012460, 26683280, 40024920, 80049840]

約数ペア:

[(1, 80049840), (2, 40024920), (3, 26683280), (4, 20012460), (5, 16009968), (6, 13341640), (8, 10006230), (10, 8004984), (12, 6670820), (13, 6157680), (15, 5336656), (16, 5003115), (20, 4002492), (24, 3335410), (26, 3078840), (30, 2668328), (39, 2052560), (40, 2001246), (48, 1667705), (52, 1539420), (60, 1334164), (65, 1231536), (78, 1026280), (80, 1000623), (104, 769710), (120, 667082), (130, 615768), (156, 513140), (195, 410512), (208, 384855), (240, 333541), (260, 307884), (312, 256570), (390, 205256), (520, 153942), (624, 128285), (780, 102628), (1040, 76971), (1560, 51314), (3120, 25657)]