15203920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8263}}^1$

素因数の和:8299

約数の個数: 40

約数和(自身を含む): 36890496

約数和(自身を除く): 21686576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 8263, 16526, 33052, 41315, 66104, 82630, 132208, 165260, 190049, 330520, 380098, 661040, 760196, 950245, 1520392, 1900490, 3040784, 3800980, 7601960, 15203920]

約数ペア:

[(1, 15203920), (2, 7601960), (4, 3800980), (5, 3040784), (8, 1900490), (10, 1520392), (16, 950245), (20, 760196), (23, 661040), (40, 380098), (46, 330520), (80, 190049), (92, 165260), (115, 132208), (184, 82630), (230, 66104), (368, 41315), (460, 33052), (920, 16526), (1840, 8263)]