15412520

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{757}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 34792200

約数和(自身を除く): 19379680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 757, 1018, 1514, 2036, 2545, 3028, 3785, 4072, 5090, 6056, 7570, 10180, 15140, 20360, 30280, 385313, 770626, 1541252, 1926565, 3082504, 3853130, 7706260, 15412520]

約数ペア:

[(1, 15412520), (2, 7706260), (4, 3853130), (5, 3082504), (8, 1926565), (10, 1541252), (20, 770626), (40, 385313), (509, 30280), (757, 20360), (1018, 15140), (1514, 10180), (2036, 7570), (2545, 6056), (3028, 5090), (3785, 4072)]