158997800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61153}}^1$

素因数の和:61182

約数の個数: 48

約数和(自身を含む): 398112540

約数和(自身を除く): 239114740

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 61153, 122306, 244612, 305765, 489224, 611530, 794989, 1223060, 1528825, 1589978, 2446120, 3057650, 3179956, 3974945, 6115300, 6359912, 7949890, 12230600, 15899780, 19874725, 31799560, 39749450, 79498900, 158997800]

約数ペア:

[(1, 158997800), (2, 79498900), (4, 39749450), (5, 31799560), (8, 19874725), (10, 15899780), (13, 12230600), (20, 7949890), (25, 6359912), (26, 6115300), (40, 3974945), (50, 3179956), (52, 3057650), (65, 2446120), (100, 1589978), (104, 1528825), (130, 1223060), (200, 794989), (260, 611530), (325, 489224), (520, 305765), (650, 244612), (1300, 122306), (2600, 61153)]