78869660

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{16363}}^1$

素因数の和:16613

約数の個数: 24

約数和(自身を含む): 166323696

約数和(自身を除く): 87454036

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 16363, 32726, 65452, 81815, 163630, 327260, 3943483, 7886966, 15773932, 19717415, 39434830, 78869660]

約数ペア:

[(1, 78869660), (2, 39434830), (4, 19717415), (5, 15773932), (10, 7886966), (20, 3943483), (241, 327260), (482, 163630), (964, 81815), (1205, 65452), (2410, 32726), (4820, 16363)]