40690810

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 74898432

約数和(自身を除く): 34207622

約数列:

[1, 2, 5, 10, 71, 142, 223, 257, 355, 446, 514, 710, 1115, 1285, 2230, 2570, 15833, 18247, 31666, 36494, 57311, 79165, 91235, 114622, 158330, 182470, 286555, 573110, 4069081, 8138162, 20345405, 40690810]

約数ペア:

[(1, 40690810), (2, 20345405), (5, 8138162), (10, 4069081), (71, 573110), (142, 286555), (223, 182470), (257, 158330), (355, 114622), (446, 91235), (514, 79165), (710, 57311), (1115, 36494), (1285, 31666), (2230, 18247), (2570, 15833)]