31860530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12899}}^1$

素因数の和:12938

約数の個数: 32

約数和(自身を含む): 65016000

約数和(自身を除く): 33155470

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 12899, 25798, 64495, 128990, 167687, 245081, 335374, 490162, 838435, 1225405, 1676870, 2450810, 3186053, 6372106, 15930265, 31860530]

約数ペア:

[(1, 31860530), (2, 15930265), (5, 6372106), (10, 3186053), (13, 2450810), (19, 1676870), (26, 1225405), (38, 838435), (65, 490162), (95, 335374), (130, 245081), (190, 167687), (247, 128990), (494, 64495), (1235, 25798), (2470, 12899)]