15997760

素因数分解:

$2^6\times 5^1\times {\mathrm{49993}}^1$

素因数の和:50010

約数の個数: 28

約数和(自身を含む): 38095428

約数和(自身を除く): 22097668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 49993, 99986, 199972, 249965, 399944, 499930, 799888, 999860, 1599776, 1999720, 3199552, 3999440, 7998880, 15997760]

約数ペア:

[(1, 15997760), (2, 7998880), (4, 3999440), (5, 3199552), (8, 1999720), (10, 1599776), (16, 999860), (20, 799888), (32, 499930), (40, 399944), (64, 249965), (80, 199972), (160, 99986), (320, 49993)]