51401740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197699}}^1$

素因数の和:197721

約数の個数: 24

約数和(自身を含む): 116247600

約数和(自身を除く): 64845860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 197699, 395398, 790796, 988495, 1976990, 2570087, 3953980, 5140174, 10280348, 12850435, 25700870, 51401740]

約数ペア:

[(1, 51401740), (2, 25700870), (4, 12850435), (5, 10280348), (10, 5140174), (13, 3953980), (20, 2570087), (26, 1976990), (52, 988495), (65, 790796), (130, 395398), (260, 197699)]