87720620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{14669}}^1$

素因数の和:14714

約数の個数: 48

約数和(自身を含む): 207023040

約数和(自身を除く): 119302420

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 14669, 29338, 58676, 73345, 146690, 190697, 293380, 337387, 381394, 674774, 762788, 953485, 1349548, 1686935, 1906970, 3373870, 3813940, 4386031, 6747740, 8772062, 17544124, 21930155, 43860310, 87720620]

約数ペア:

[(1, 87720620), (2, 43860310), (4, 21930155), (5, 17544124), (10, 8772062), (13, 6747740), (20, 4386031), (23, 3813940), (26, 3373870), (46, 1906970), (52, 1686935), (65, 1349548), (92, 953485), (115, 762788), (130, 674774), (230, 381394), (260, 337387), (299, 293380), (460, 190697), (598, 146690), (1196, 73345), (1495, 58676), (2990, 29338), (5980, 14669)]