61245340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{235559}}^1$

素因数の和:235581

約数の個数: 24

約数和(自身を含む): 138509280

約数和(自身を除く): 77263940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 235559, 471118, 942236, 1177795, 2355590, 3062267, 4711180, 6124534, 12249068, 15311335, 30622670, 61245340]

約数ペア:

[(1, 61245340), (2, 30622670), (4, 15311335), (5, 12249068), (10, 6124534), (13, 4711180), (20, 3062267), (26, 2355590), (52, 1177795), (65, 942236), (130, 471118), (260, 235559)]