164133080

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{40627}}^1$

素因数の和:40739

約数の個数: 32

約数和(自身を含む): 372965040

約数和(自身を除く): 208831960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 40627, 81254, 162508, 203135, 325016, 406270, 812540, 1625080, 4103327, 8206654, 16413308, 20516635, 32826616, 41033270, 82066540, 164133080]

約数ペア:

[(1, 164133080), (2, 82066540), (4, 41033270), (5, 32826616), (8, 20516635), (10, 16413308), (20, 8206654), (40, 4103327), (101, 1625080), (202, 812540), (404, 406270), (505, 325016), (808, 203135), (1010, 162508), (2020, 81254), (4040, 40627)]