66439480

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{14699}}^1$

素因数の和:14823

約数の個数: 32

約数和(自身を含む): 150822000

約数和(自身を除く): 84382520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 14699, 29398, 58796, 73495, 117592, 146990, 293980, 587960, 1660987, 3321974, 6643948, 8304935, 13287896, 16609870, 33219740, 66439480]

約数ペア:

[(1, 66439480), (2, 33219740), (4, 16609870), (5, 13287896), (8, 8304935), (10, 6643948), (20, 3321974), (40, 1660987), (113, 587960), (226, 293980), (452, 146990), (565, 117592), (904, 73495), (1130, 58796), (2260, 29398), (4520, 14699)]