200750920

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{6113}}^1$

素因数の和:6945

約数の個数: 32

約数和(自身を含む): 452313720

約数和(自身を除く): 251562800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 4105, 6113, 6568, 8210, 12226, 16420, 24452, 30565, 32840, 48904, 61130, 122260, 244520, 5018773, 10037546, 20075092, 25093865, 40150184, 50187730, 100375460, 200750920]

約数ペア:

[(1, 200750920), (2, 100375460), (4, 50187730), (5, 40150184), (8, 25093865), (10, 20075092), (20, 10037546), (40, 5018773), (821, 244520), (1642, 122260), (3284, 61130), (4105, 48904), (6113, 32840), (6568, 30565), (8210, 24452), (12226, 16420)]