71749960

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6619}}^1$

素因数の和:6901

約数の個数: 32

約数和(自身を含む): 162057600

約数和(自身を除く): 90307640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 6619, 10840, 13238, 26476, 33095, 52952, 66190, 132380, 264760, 1793749, 3587498, 7174996, 8968745, 14349992, 17937490, 35874980, 71749960]

約数ペア:

[(1, 71749960), (2, 35874980), (4, 17937490), (5, 14349992), (8, 8968745), (10, 7174996), (20, 3587498), (40, 1793749), (271, 264760), (542, 132380), (1084, 66190), (1355, 52952), (2168, 33095), (2710, 26476), (5420, 13238), (6619, 10840)]