66161120

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1063}}^1$

素因数の和:1467

約数の個数: 48

約数和(自身を含む): 156854880

約数和(自身を除く): 90693760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1063, 1556, 1945, 2126, 3112, 3890, 4252, 5315, 6224, 7780, 8504, 10630, 12448, 15560, 17008, 21260, 31120, 34016, 42520, 62240, 85040, 170080, 413507, 827014, 1654028, 2067535, 3308056, 4135070, 6616112, 8270140, 13232224, 16540280, 33080560, 66161120]

約数ペア:

[(1, 66161120), (2, 33080560), (4, 16540280), (5, 13232224), (8, 8270140), (10, 6616112), (16, 4135070), (20, 3308056), (32, 2067535), (40, 1654028), (80, 827014), (160, 413507), (389, 170080), (778, 85040), (1063, 62240), (1556, 42520), (1945, 34016), (2126, 31120), (3112, 21260), (3890, 17008), (4252, 15560), (5315, 12448), (6224, 10630), (7780, 8504)]