28790240

素因数分解:

$2^5\times 5^1\times {\mathrm{179939}}^1$

素因数の和:179954

約数の個数: 24

約数和(自身を含む): 68017320

約数和(自身を除く): 39227080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179939, 359878, 719756, 899695, 1439512, 1799390, 2879024, 3598780, 5758048, 7197560, 14395120, 28790240]

約数ペア:

[(1, 28790240), (2, 14395120), (4, 7197560), (5, 5758048), (8, 3598780), (10, 2879024), (16, 1799390), (20, 1439512), (32, 899695), (40, 719756), (80, 359878), (160, 179939)]