239409560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{460403}}^1$

素因数の和:460427

約数の個数: 32

約数和(自身を含む): 580109040

約数和(自身を除く): 340699480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 460403, 920806, 1841612, 2302015, 3683224, 4604030, 5985239, 9208060, 11970478, 18416120, 23940956, 29926195, 47881912, 59852390, 119704780, 239409560]

約数ペア:

[(1, 239409560), (2, 119704780), (4, 59852390), (5, 47881912), (8, 29926195), (10, 23940956), (13, 18416120), (20, 11970478), (26, 9208060), (40, 5985239), (52, 4604030), (65, 3683224), (104, 2302015), (130, 1841612), (260, 920806), (520, 460403)]