1608822020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1\times {\mathrm{4423}}^1$

素因数の和:5844

約数の個数: 48

約数和(自身を含む): 3641836800

約数和(自身を除く): 2033014780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1399, 2798, 4423, 5596, 6995, 8846, 13990, 17692, 18187, 22115, 27980, 36374, 44230, 57499, 72748, 88460, 90935, 114998, 181870, 229996, 287495, 363740, 574990, 1149980, 6187777, 12375554, 24751108, 30938885, 61877770, 80441101, 123755540, 160882202, 321764404, 402205505, 804411010, 1608822020]

約数ペア:

[(1, 1608822020), (2, 804411010), (4, 402205505), (5, 321764404), (10, 160882202), (13, 123755540), (20, 80441101), (26, 61877770), (52, 30938885), (65, 24751108), (130, 12375554), (260, 6187777), (1399, 1149980), (2798, 574990), (4423, 363740), (5596, 287495), (6995, 229996), (8846, 181870), (13990, 114998), (17692, 90935), (18187, 88460), (22115, 72748), (27980, 57499), (36374, 44230)]