51566680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{719}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 127526400

約数和(自身を除く): 75959720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 440, 652, 719, 815, 1304, 1438, 1630, 1793, 2876, 3260, 3586, 3595, 5752, 6520, 7172, 7190, 7909, 8965, 14344, 14380, 15818, 17930, 28760, 31636, 35860, 39545, 63272, 71720, 79090, 117197, 158180, 234394, 316360, 468788, 585985, 937576, 1171970, 1289167, 2343940, 2578334, 4687880, 5156668, 6445835, 10313336, 12891670, 25783340, 51566680]

約数ペア:

[(1, 51566680), (2, 25783340), (4, 12891670), (5, 10313336), (8, 6445835), (10, 5156668), (11, 4687880), (20, 2578334), (22, 2343940), (40, 1289167), (44, 1171970), (55, 937576), (88, 585985), (110, 468788), (163, 316360), (220, 234394), (326, 158180), (440, 117197), (652, 79090), (719, 71720), (815, 63272), (1304, 39545), (1438, 35860), (1630, 31636), (1793, 28760), (2876, 17930), (3260, 15818), (3586, 14380), (3595, 14344), (5752, 8965), (6520, 7909), (7172, 7190)]