31799560

素因数分解:

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

素因数の和:61177

約数の個数: 32

約数和(自身を含む): 77054040

約数和(自身を除く): 45254480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 61153, 122306, 244612, 305765, 489224, 611530, 794989, 1223060, 1589978, 2446120, 3179956, 3974945, 6359912, 7949890, 15899780, 31799560]

約数ペア:

[(1, 31799560), (2, 15899780), (4, 7949890), (5, 6359912), (8, 3974945), (10, 3179956), (13, 2446120), (20, 1589978), (26, 1223060), (40, 794989), (52, 611530), (65, 489224), (104, 305765), (130, 244612), (260, 122306), (520, 61153)]