16172120

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4003}}^1$

素因数の和:4115

約数の個数: 32

約数和(自身を含む): 36756720

約数和(自身を除く): 20584600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4003, 4040, 8006, 16012, 20015, 32024, 40030, 80060, 160120, 404303, 808606, 1617212, 2021515, 3234424, 4043030, 8086060, 16172120]

約数ペア:

[(1, 16172120), (2, 8086060), (4, 4043030), (5, 3234424), (8, 2021515), (10, 1617212), (20, 808606), (40, 404303), (101, 160120), (202, 80060), (404, 40030), (505, 32024), (808, 20015), (1010, 16012), (2020, 8006), (4003, 4040)]