70528420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{42487}}^1$

素因数の和:42579

約数の個数: 24

約数和(自身を含む): 149897664

約数和(自身を除く): 79369244

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 42487, 84974, 169948, 212435, 424870, 849740, 3526421, 7052842, 14105684, 17632105, 35264210, 70528420]

約数ペア:

[(1, 70528420), (2, 35264210), (4, 17632105), (5, 14105684), (10, 7052842), (20, 3526421), (83, 849740), (166, 424870), (332, 212435), (415, 169948), (830, 84974), (1660, 42487)]