156719960

素因数分解:

$2^3\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{2029}}^1$

素因数の和:3971

約数の個数: 32

約数和(自身を含む): 352976400

約数和(自身を除く): 196256440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1931, 2029, 3862, 4058, 7724, 8116, 9655, 10145, 15448, 16232, 19310, 20290, 38620, 40580, 77240, 81160, 3917999, 7835998, 15671996, 19589995, 31343992, 39179990, 78359980, 156719960]

約数ペア:

[(1, 156719960), (2, 78359980), (4, 39179990), (5, 31343992), (8, 19589995), (10, 15671996), (20, 7835998), (40, 3917999), (1931, 81160), (2029, 77240), (3862, 40580), (4058, 38620), (7724, 20290), (8116, 19310), (9655, 16232), (10145, 15448)]