2051227880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3944669}}^1$

素因数の和:3944693

約数の個数: 32

約数和(自身を含む): 4970284200

約数和(自身を除く): 2919056320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3944669, 7889338, 15778676, 19723345, 31557352, 39446690, 51280697, 78893380, 102561394, 157786760, 205122788, 256403485, 410245576, 512806970, 1025613940, 2051227880]

約数ペア:

[(1, 2051227880), (2, 1025613940), (4, 512806970), (5, 410245576), (8, 256403485), (10, 205122788), (13, 157786760), (20, 102561394), (26, 78893380), (40, 51280697), (52, 39446690), (65, 31557352), (104, 19723345), (130, 15778676), (260, 7889338), (520, 3944669)]