66299920

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4339}}^1$

素因数の和:4543

約数の個数: 40

約数和(自身を含む): 154990080

約数和(自身を除く): 88690160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 4339, 7640, 8678, 15280, 17356, 21695, 34712, 43390, 69424, 86780, 173560, 347120, 828749, 1657498, 3314996, 4143745, 6629992, 8287490, 13259984, 16574980, 33149960, 66299920]

約数ペア:

[(1, 66299920), (2, 33149960), (4, 16574980), (5, 13259984), (8, 8287490), (10, 6629992), (16, 4143745), (20, 3314996), (40, 1657498), (80, 828749), (191, 347120), (382, 173560), (764, 86780), (955, 69424), (1528, 43390), (1910, 34712), (3056, 21695), (3820, 17356), (4339, 15280), (7640, 8678)]