68031860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4937}}^1$

素因数の和:5012

約数の個数: 48

約数和(自身を含む): 156791376

約数和(自身を除く): 88759516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 4937, 6890, 9874, 13780, 19748, 24685, 49370, 64181, 98740, 128362, 256724, 261661, 320905, 523322, 641810, 1046644, 1283620, 1308305, 2616610, 3401593, 5233220, 6803186, 13606372, 17007965, 34015930, 68031860]

約数ペア:

[(1, 68031860), (2, 34015930), (4, 17007965), (5, 13606372), (10, 6803186), (13, 5233220), (20, 3401593), (26, 2616610), (52, 1308305), (53, 1283620), (65, 1046644), (106, 641810), (130, 523322), (212, 320905), (260, 261661), (265, 256724), (530, 128362), (689, 98740), (1060, 64181), (1378, 49370), (2756, 24685), (3445, 19748), (4937, 13780), (6890, 9874)]