40490691728

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{8243219}}^1$

素因数の和:8243534

約数の個数: 20

約数和(自身を含む): 78706264560

約数和(自身を除く): 38215572832

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912, 8243219, 16486438, 32972876, 65945752, 131891504, 2530668233, 5061336466, 10122672932, 20245345864, 40490691728]

約数ペア:

[(1, 40490691728), (2, 20245345864), (4, 10122672932), (8, 5061336466), (16, 2530668233), (307, 131891504), (614, 65945752), (1228, 32972876), (2456, 16486438), (4912, 8243219)]