66424420

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{13781}}^1$

素因数の和:14031

約数の個数: 24

約数和(自身を含む): 140080248

約数和(自身を除く): 73655828

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 13781, 27562, 55124, 68905, 137810, 275620, 3321221, 6642442, 13284884, 16606105, 33212210, 66424420]

約数ペア:

[(1, 66424420), (2, 33212210), (4, 16606105), (5, 13284884), (10, 6642442), (20, 3321221), (241, 275620), (482, 137810), (964, 68905), (1205, 55124), (2410, 27562), (4820, 13781)]