30465640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7541}}^1$

素因数の和:7653

約数の個数: 32

約数和(自身を含む): 69235560

約数和(自身を除く): 38769920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 7541, 15082, 30164, 37705, 60328, 75410, 150820, 301640, 761641, 1523282, 3046564, 3808205, 6093128, 7616410, 15232820, 30465640]

約数ペア:

[(1, 30465640), (2, 15232820), (4, 7616410), (5, 6093128), (8, 3808205), (10, 3046564), (20, 1523282), (40, 761641), (101, 301640), (202, 150820), (404, 75410), (505, 60328), (808, 37705), (1010, 30164), (2020, 15082), (4040, 7541)]