71028880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:608

約数の個数: 80

約数和(自身を含む): 179363520

約数和(自身を除く): 108334640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 260, 326, 419, 520, 652, 815, 838, 1040, 1304, 1630, 1676, 2095, 2119, 2608, 3260, 3352, 4190, 4238, 5447, 6520, 6704, 8380, 8476, 10595, 10894, 13040, 16760, 16952, 21190, 21788, 27235, 33520, 33904, 42380, 43576, 54470, 68297, 84760, 87152, 108940, 136594, 169520, 217880, 273188, 341485, 435760, 546376, 682970, 887861, 1092752, 1365940, 1775722, 2731880, 3551444, 4439305, 5463760, 7102888, 8878610, 14205776, 17757220, 35514440, 71028880]

約数ペア:

[(1, 71028880), (2, 35514440), (4, 17757220), (5, 14205776), (8, 8878610), (10, 7102888), (13, 5463760), (16, 4439305), (20, 3551444), (26, 2731880), (40, 1775722), (52, 1365940), (65, 1092752), (80, 887861), (104, 682970), (130, 546376), (163, 435760), (208, 341485), (260, 273188), (326, 217880), (419, 169520), (520, 136594), (652, 108940), (815, 87152), (838, 84760), (1040, 68297), (1304, 54470), (1630, 43576), (1676, 42380), (2095, 33904), (2119, 33520), (2608, 27235), (3260, 21788), (3352, 21190), (4190, 16952), (4238, 16760), (5447, 13040), (6520, 10894), (6704, 10595), (8380, 8476)]