7887658220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{572399}}^1$

素因数の和:572474

約数の個数: 48

約数和(自身を含む): 18174844800

約数和(自身を除く): 10287186580

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, 6890, 13780, 572399, 1144798, 2289596, 2861995, 5723990, 7441187, 11447980, 14882374, 29764748, 30337147, 37205935, 60674294, 74411870, 121348588, 148823740, 151685735, 303371470, 394382911, 606742940, 788765822, 1577531644, 1971914555, 3943829110, 7887658220]

約数ペア:

[(1, 7887658220), (2, 3943829110), (4, 1971914555), (5, 1577531644), (10, 788765822), (13, 606742940), (20, 394382911), (26, 303371470), (52, 151685735), (53, 148823740), (65, 121348588), (106, 74411870), (130, 60674294), (212, 37205935), (260, 30337147), (265, 29764748), (530, 14882374), (689, 11447980), (1060, 7441187), (1378, 5723990), (2756, 2861995), (3445, 2289596), (6890, 1144798), (13780, 572399)]