91227640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{325813}}^1$

素因数の和:325831

約数の個数: 32

約数和(自身を含む): 234586080

約数和(自身を除く): 143358440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 325813, 651626, 1303252, 1629065, 2280691, 2606504, 3258130, 4561382, 6516260, 9122764, 11403455, 13032520, 18245528, 22806910, 45613820, 91227640]

約数ペア:

[(1, 91227640), (2, 45613820), (4, 22806910), (5, 18245528), (7, 13032520), (8, 11403455), (10, 9122764), (14, 6516260), (20, 4561382), (28, 3258130), (35, 2606504), (40, 2280691), (56, 1629065), (70, 1303252), (140, 651626), (280, 325813)]