13306420420

素因数分解:

$2^2\times 5^1\times {\mathrm{12721}}^1\times {\mathrm{52301}}^1$

素因数の和:65031

約数の個数: 24

約数和(自身を含む): 27946213848

約数和(自身を除く): 14639793428

約数列:

[1, 2, 4, 5, 10, 20, 12721, 25442, 50884, 52301, 63605, 104602, 127210, 209204, 254420, 261505, 523010, 1046020, 665321021, 1330642042, 2661284084, 3326605105, 6653210210, 13306420420]

約数ペア:

[(1, 13306420420), (2, 6653210210), (4, 3326605105), (5, 2661284084), (10, 1330642042), (20, 665321021), (12721, 1046020), (25442, 523010), (50884, 261505), (52301, 254420), (63605, 209204), (104602, 127210)]