65171180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{53419}}^1$

素因数の和:53489

約数の個数: 24

約数和(自身を含む): 139105680

約数和(自身を除く): 73934500

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 53419, 106838, 213676, 267095, 534190, 1068380, 3258559, 6517118, 13034236, 16292795, 32585590, 65171180]

約数ペア:

[(1, 65171180), (2, 32585590), (4, 16292795), (5, 13034236), (10, 6517118), (20, 3258559), (61, 1068380), (122, 534190), (244, 267095), (305, 213676), (610, 106838), (1220, 53419)]