8889420280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1315003}}^1$

素因数の和:1315040

約数の個数: 48

約数和(自身を含む): 21658115880

約数和(自身を除く): 12768695600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 1315003, 2630006, 5260012, 6575015, 10520024, 13150030, 17095039, 26300060, 34190078, 52600120, 68380156, 85475195, 136760312, 170950390, 222235507, 341900780, 444471014, 683801560, 888942028, 1111177535, 1777884056, 2222355070, 4444710140, 8889420280]

約数ペア:

[(1, 8889420280), (2, 4444710140), (4, 2222355070), (5, 1777884056), (8, 1111177535), (10, 888942028), (13, 683801560), (20, 444471014), (26, 341900780), (40, 222235507), (52, 170950390), (65, 136760312), (104, 85475195), (130, 68380156), (169, 52600120), (260, 34190078), (338, 26300060), (520, 17095039), (676, 13150030), (845, 10520024), (1352, 6575015), (1690, 5260012), (3380, 2630006), (6760, 1315003)]