85648940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{329419}}^1$

素因数の和:329441

約数の個数: 24

約数和(自身を含む): 193698960

約数和(自身を除く): 108050020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 329419, 658838, 1317676, 1647095, 3294190, 4282447, 6588380, 8564894, 17129788, 21412235, 42824470, 85648940]

約数ペア:

[(1, 85648940), (2, 42824470), (4, 21412235), (5, 17129788), (10, 8564894), (13, 6588380), (20, 4282447), (26, 3294190), (52, 1647095), (65, 1317676), (130, 658838), (260, 329419)]