13308979820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9372521}}^1$

素因数の和:9372601

約数の個数: 24

約数和(自身を含む): 28342506528

約数和(自身を除く): 15033526708

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9372521, 18745042, 37490084, 46862605, 93725210, 187450420, 665448991, 1330897982, 2661795964, 3327244955, 6654489910, 13308979820]

約数ペア:

[(1, 13308979820), (2, 6654489910), (4, 3327244955), (5, 2661795964), (10, 1330897982), (20, 665448991), (71, 187450420), (142, 93725210), (284, 46862605), (355, 37490084), (710, 18745042), (1420, 9372521)]