15505040

素因数分解:

$2^4\times 5^1\times {\mathrm{193813}}^1$

素因数の和:193826

約数の個数: 20

約数和(自身を含む): 36049404

約数和(自身を除く): 20544364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193813, 387626, 775252, 969065, 1550504, 1938130, 3101008, 3876260, 7752520, 15505040]

約数ペア:

[(1, 15505040), (2, 7752520), (4, 3876260), (5, 3101008), (8, 1938130), (10, 1550504), (16, 969065), (20, 775252), (40, 387626), (80, 193813)]