28004230

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 52073280

約数和(自身を除く): 24069050

約数列:

[1, 2, 5, 10, 41, 82, 167, 205, 334, 409, 410, 818, 835, 1670, 2045, 4090, 6847, 13694, 16769, 33538, 34235, 68303, 68470, 83845, 136606, 167690, 341515, 683030, 2800423, 5600846, 14002115, 28004230]

約数ペア:

[(1, 28004230), (2, 14002115), (5, 5600846), (10, 2800423), (41, 683030), (82, 341515), (167, 167690), (205, 136606), (334, 83845), (409, 68470), (410, 68303), (818, 34235), (835, 33538), (1670, 16769), (2045, 13694), (4090, 6847)]