40690120

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3209}}^1$

素因数の和:3537

約数の個数: 32

約数和(自身を含む): 91870200

約数和(自身を除く): 51180080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 3209, 6340, 6418, 12680, 12836, 16045, 25672, 32090, 64180, 128360, 1017253, 2034506, 4069012, 5086265, 8138024, 10172530, 20345060, 40690120]

約数ペア:

[(1, 40690120), (2, 20345060), (4, 10172530), (5, 8138024), (8, 5086265), (10, 4069012), (20, 2034506), (40, 1017253), (317, 128360), (634, 64180), (1268, 32090), (1585, 25672), (2536, 16045), (3170, 12836), (3209, 12680), (6340, 6418)]