51819560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{439}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 126403200

約数和(自身を除く): 74583640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 227, 260, 439, 454, 520, 878, 908, 1135, 1756, 1816, 2195, 2270, 2951, 3512, 4390, 4540, 5707, 5902, 8780, 9080, 11414, 11804, 14755, 17560, 22828, 23608, 28535, 29510, 45656, 57070, 59020, 99653, 114140, 118040, 199306, 228280, 398612, 498265, 797224, 996530, 1295489, 1993060, 2590978, 3986120, 5181956, 6477445, 10363912, 12954890, 25909780, 51819560]

約数ペア:

[(1, 51819560), (2, 25909780), (4, 12954890), (5, 10363912), (8, 6477445), (10, 5181956), (13, 3986120), (20, 2590978), (26, 1993060), (40, 1295489), (52, 996530), (65, 797224), (104, 498265), (130, 398612), (227, 228280), (260, 199306), (439, 118040), (454, 114140), (520, 99653), (878, 59020), (908, 57070), (1135, 45656), (1756, 29510), (1816, 28535), (2195, 23608), (2270, 22828), (2951, 17560), (3512, 14755), (4390, 11804), (4540, 11414), (5707, 9080), (5902, 8780)]