220202320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2551}}^1$

素因数の和:2660

約数の個数: 80

約数和(自身を含む): 558214272

約数和(自身を除く): 338011952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 83, 104, 130, 166, 208, 260, 332, 415, 520, 664, 830, 1040, 1079, 1328, 1660, 2158, 2551, 3320, 4316, 5102, 5395, 6640, 8632, 10204, 10790, 12755, 17264, 20408, 21580, 25510, 33163, 40816, 43160, 51020, 66326, 86320, 102040, 132652, 165815, 204080, 211733, 265304, 331630, 423466, 530608, 663260, 846932, 1058665, 1326520, 1693864, 2117330, 2653040, 2752529, 3387728, 4234660, 5505058, 8469320, 11010116, 13762645, 16938640, 22020232, 27525290, 44040464, 55050580, 110101160, 220202320]

約数ペア:

[(1, 220202320), (2, 110101160), (4, 55050580), (5, 44040464), (8, 27525290), (10, 22020232), (13, 16938640), (16, 13762645), (20, 11010116), (26, 8469320), (40, 5505058), (52, 4234660), (65, 3387728), (80, 2752529), (83, 2653040), (104, 2117330), (130, 1693864), (166, 1326520), (208, 1058665), (260, 846932), (332, 663260), (415, 530608), (520, 423466), (664, 331630), (830, 265304), (1040, 211733), (1079, 204080), (1328, 165815), (1660, 132652), (2158, 102040), (2551, 86320), (3320, 66326), (4316, 51020), (5102, 43160), (5395, 40816), (6640, 33163), (8632, 25510), (10204, 21580), (10790, 20408), (12755, 17264)]