71282320

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2351}}^1$

素因数の和:2743

約数の個数: 40

約数和(自身を含む): 166239360

約数和(自身を除く): 94957040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 758, 1516, 1895, 2351, 3032, 3790, 4702, 6064, 7580, 9404, 11755, 15160, 18808, 23510, 30320, 37616, 47020, 94040, 188080, 891029, 1782058, 3564116, 4455145, 7128232, 8910290, 14256464, 17820580, 35641160, 71282320]

約数ペア:

[(1, 71282320), (2, 35641160), (4, 17820580), (5, 14256464), (8, 8910290), (10, 7128232), (16, 4455145), (20, 3564116), (40, 1782058), (80, 891029), (379, 188080), (758, 94040), (1516, 47020), (1895, 37616), (2351, 30320), (3032, 23510), (3790, 18808), (4702, 15160), (6064, 11755), (7580, 9404)]