70676920

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4217}}^1$

素因数の和:4647

約数の個数: 32

約数和(自身を含む): 159440400

約数和(自身を除く): 88763480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 4217, 8380, 8434, 16760, 16868, 21085, 33736, 42170, 84340, 168680, 1766923, 3533846, 7067692, 8834615, 14135384, 17669230, 35338460, 70676920]

約数ペア:

[(1, 70676920), (2, 35338460), (4, 17669230), (5, 14135384), (8, 8834615), (10, 7067692), (20, 3533846), (40, 1766923), (419, 168680), (838, 84340), (1676, 42170), (2095, 33736), (3352, 21085), (4190, 16868), (4217, 16760), (8380, 8434)]