91020280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{175039}}^1$

素因数の和:175063

約数の個数: 32

約数和(自身を含む): 220550400

約数和(自身を除く): 129530120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 175039, 350078, 700156, 875195, 1400312, 1750390, 2275507, 3500780, 4551014, 7001560, 9102028, 11377535, 18204056, 22755070, 45510140, 91020280]

約数ペア:

[(1, 91020280), (2, 45510140), (4, 22755070), (5, 18204056), (8, 11377535), (10, 9102028), (13, 7001560), (20, 4551014), (26, 3500780), (40, 2275507), (52, 1750390), (65, 1400312), (104, 875195), (130, 700156), (260, 350078), (520, 175039)]