4004990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1624

約数の個数: 32

約数和(自身を含む): 8211456

約数和(自身を除く): 4206466

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 1583, 2530, 3166, 7915, 15830, 17413, 34826, 36409, 72818, 87065, 174130, 182045, 364090, 400499, 800998, 2002495, 4004990]

約数ペア:

[(1, 4004990), (2, 2002495), (5, 800998), (10, 400499), (11, 364090), (22, 182045), (23, 174130), (46, 87065), (55, 72818), (110, 36409), (115, 34826), (230, 17413), (253, 15830), (506, 7915), (1265, 3166), (1583, 2530)]