8144320

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:869

約数の個数: 56

約数和(自身を含む): 20043648

約数和(自身を除く): 11899328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 821, 992, 1240, 1642, 1984, 2480, 3284, 4105, 4960, 6568, 8210, 9920, 13136, 16420, 25451, 26272, 32840, 50902, 52544, 65680, 101804, 127255, 131360, 203608, 254510, 262720, 407216, 509020, 814432, 1018040, 1628864, 2036080, 4072160, 8144320]

約数ペア:

[(1, 8144320), (2, 4072160), (4, 2036080), (5, 1628864), (8, 1018040), (10, 814432), (16, 509020), (20, 407216), (31, 262720), (32, 254510), (40, 203608), (62, 131360), (64, 127255), (80, 101804), (124, 65680), (155, 52544), (160, 50902), (248, 32840), (310, 26272), (320, 25451), (496, 16420), (620, 13136), (821, 9920), (992, 8210), (1240, 6568), (1642, 4960), (1984, 4105), (2480, 3284)]