66627880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{929}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 164721600

約数和(自身を除く): 98093720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 440, 652, 815, 929, 1304, 1630, 1793, 1858, 3260, 3586, 3716, 4645, 6520, 7172, 7432, 8965, 9290, 10219, 14344, 17930, 18580, 20438, 35860, 37160, 40876, 51095, 71720, 81752, 102190, 151427, 204380, 302854, 408760, 605708, 757135, 1211416, 1514270, 1665697, 3028540, 3331394, 6057080, 6662788, 8328485, 13325576, 16656970, 33313940, 66627880]

約数ペア:

[(1, 66627880), (2, 33313940), (4, 16656970), (5, 13325576), (8, 8328485), (10, 6662788), (11, 6057080), (20, 3331394), (22, 3028540), (40, 1665697), (44, 1514270), (55, 1211416), (88, 757135), (110, 605708), (163, 408760), (220, 302854), (326, 204380), (440, 151427), (652, 102190), (815, 81752), (929, 71720), (1304, 51095), (1630, 40876), (1793, 37160), (1858, 35860), (3260, 20438), (3586, 18580), (3716, 17930), (4645, 14344), (6520, 10219), (7172, 9290), (7432, 8965)]