20171192840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16267091}}^1$

素因数の和:16267133

約数の個数: 32

約数和(自身を含む): 46849224960

約数和(自身を除く): 26678032120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 16267091, 32534182, 65068364, 81335455, 130136728, 162670910, 325341820, 504279821, 650683640, 1008559642, 2017119284, 2521399105, 4034238568, 5042798210, 10085596420, 20171192840]

約数ペア:

[(1, 20171192840), (2, 10085596420), (4, 5042798210), (5, 4034238568), (8, 2521399105), (10, 2017119284), (20, 1008559642), (31, 650683640), (40, 504279821), (62, 325341820), (124, 162670910), (155, 130136728), (248, 81335455), (310, 65068364), (620, 32534182), (1240, 16267091)]