155740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 352800

約数和(自身を除く): 197060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 599, 1198, 2396, 2995, 5990, 7787, 11980, 15574, 31148, 38935, 77870, 155740]

約数ペア:

[(1, 155740), (2, 77870), (4, 38935), (5, 31148), (10, 15574), (13, 11980), (20, 7787), (26, 5990), (52, 2995), (65, 2396), (130, 1198), (260, 599)]