64774940

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{14143}}^1$

素因数の和:14381

約数の個数: 24

約数和(自身を含む): 136631040

約数和(自身を除く): 71856100

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 14143, 28286, 56572, 70715, 141430, 282860, 3238747, 6477494, 12954988, 16193735, 32387470, 64774940]

約数ペア:

[(1, 64774940), (2, 32387470), (4, 16193735), (5, 12954988), (10, 6477494), (20, 3238747), (229, 282860), (458, 141430), (916, 70715), (1145, 56572), (2290, 28286), (4580, 14143)]