7998075020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{992317}}^1$

素因数の和:992370

約数の個数: 48

約数和(自身を含む): 18671455488

約数和(自身を除く): 10673380468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 992317, 1984634, 3969268, 4961585, 9923170, 12900121, 19846340, 25800242, 30761827, 51600484, 61523654, 64500605, 123047308, 129001210, 153809135, 258002420, 307618270, 399903751, 615236540, 799807502, 1599615004, 1999518755, 3999037510, 7998075020]

約数ペア:

[(1, 7998075020), (2, 3999037510), (4, 1999518755), (5, 1599615004), (10, 799807502), (13, 615236540), (20, 399903751), (26, 307618270), (31, 258002420), (52, 153809135), (62, 129001210), (65, 123047308), (124, 64500605), (130, 61523654), (155, 51600484), (260, 30761827), (310, 25800242), (403, 19846340), (620, 12900121), (806, 9923170), (1612, 4961585), (2015, 3969268), (4030, 1984634), (8060, 992317)]