56412680

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3517}}^1$

素因数の和:3929

約数の個数: 32

約数和(自身を含む): 127281240

約数和(自身を除く): 70868560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 3517, 4010, 7034, 8020, 14068, 16040, 17585, 28136, 35170, 70340, 140680, 1410317, 2820634, 5641268, 7051585, 11282536, 14103170, 28206340, 56412680]

約数ペア:

[(1, 56412680), (2, 28206340), (4, 14103170), (5, 11282536), (8, 7051585), (10, 5641268), (20, 2820634), (40, 1410317), (401, 140680), (802, 70340), (1604, 35170), (2005, 28136), (3208, 17585), (3517, 16040), (4010, 14068), (7034, 8020)]