20199668450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31076413}}^1$

素因数の和:31076438

約数の個数: 24

約数和(自身を含む): 40461491028

約数和(自身を除く): 20261822578

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31076413, 62152826, 155382065, 310764130, 403993369, 776910325, 807986738, 1553820650, 2019966845, 4039933690, 10099834225, 20199668450]

約数ペア:

[(1, 20199668450), (2, 10099834225), (5, 4039933690), (10, 2019966845), (13, 1553820650), (25, 807986738), (26, 776910325), (50, 403993369), (65, 310764130), (130, 155382065), (325, 62152826), (650, 31076413)]