31829840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 85494528

約数和(自身を除く): 53664688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 452, 503, 560, 565, 791, 904, 1006, 1130, 1582, 1808, 2012, 2260, 2515, 3164, 3521, 3955, 4024, 4520, 5030, 6328, 7042, 7910, 8048, 9040, 10060, 12656, 14084, 15820, 17605, 20120, 28168, 31640, 35210, 40240, 56336, 56839, 63280, 70420, 113678, 140840, 227356, 281680, 284195, 397873, 454712, 568390, 795746, 909424, 1136780, 1591492, 1989365, 2273560, 3182984, 3978730, 4547120, 6365968, 7957460, 15914920, 31829840]

約数ペア:

[(1, 31829840), (2, 15914920), (4, 7957460), (5, 6365968), (7, 4547120), (8, 3978730), (10, 3182984), (14, 2273560), (16, 1989365), (20, 1591492), (28, 1136780), (35, 909424), (40, 795746), (56, 568390), (70, 454712), (80, 397873), (112, 284195), (113, 281680), (140, 227356), (226, 140840), (280, 113678), (452, 70420), (503, 63280), (560, 56839), (565, 56336), (791, 40240), (904, 35210), (1006, 31640), (1130, 28168), (1582, 20120), (1808, 17605), (2012, 15820), (2260, 14084), (2515, 12656), (3164, 10060), (3521, 9040), (3955, 8048), (4024, 7910), (4520, 7042), (5030, 6328)]