66380120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{10181}}^1$

素因数の和:10355

約数の個数: 32

約数和(自身を含む): 150286320

約数和(自身を除く): 83906200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 10181, 20362, 40724, 50905, 81448, 101810, 203620, 407240, 1659503, 3319006, 6638012, 8297515, 13276024, 16595030, 33190060, 66380120]

約数ペア:

[(1, 66380120), (2, 33190060), (4, 16595030), (5, 13276024), (8, 8297515), (10, 6638012), (20, 3319006), (40, 1659503), (163, 407240), (326, 203620), (652, 101810), (815, 81448), (1304, 50905), (1630, 40724), (3260, 20362), (6520, 10181)]