7421840

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{821}}^1$

素因数の和:947

約数の個数: 40

約数和(自身を含む): 17429688

約数和(自身を除く): 10007848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 821, 904, 1130, 1642, 1808, 2260, 3284, 4105, 4520, 6568, 8210, 9040, 13136, 16420, 32840, 65680, 92773, 185546, 371092, 463865, 742184, 927730, 1484368, 1855460, 3710920, 7421840]

約数ペア:

[(1, 7421840), (2, 3710920), (4, 1855460), (5, 1484368), (8, 927730), (10, 742184), (16, 463865), (20, 371092), (40, 185546), (80, 92773), (113, 65680), (226, 32840), (452, 16420), (565, 13136), (821, 9040), (904, 8210), (1130, 6568), (1642, 4520), (1808, 4105), (2260, 3284)]