25902890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10487}}^1$

素因数の和:10526

約数の個数: 32

約数和(自身を含む): 52859520

約数和(自身を除く): 26956630

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 10487, 20974, 52435, 104870, 136331, 199253, 272662, 398506, 681655, 996265, 1363310, 1992530, 2590289, 5180578, 12951445, 25902890]

約数ペア:

[(1, 25902890), (2, 12951445), (5, 5180578), (10, 2590289), (13, 1992530), (19, 1363310), (26, 996265), (38, 681655), (65, 398506), (95, 272662), (130, 199253), (190, 136331), (247, 104870), (494, 52435), (1235, 20974), (2470, 10487)]