15715120

素因数分解:

$2^4\times 5^1\times {\mathrm{196439}}^1$

素因数の和:196452

約数の個数: 20

約数和(自身を含む): 36537840

約数和(自身を除く): 20822720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196439, 392878, 785756, 982195, 1571512, 1964390, 3143024, 3928780, 7857560, 15715120]

約数ペア:

[(1, 15715120), (2, 7857560), (4, 3928780), (5, 3143024), (8, 1964390), (10, 1571512), (16, 982195), (20, 785756), (40, 392878), (80, 196439)]