728016880

素因数分解:

$2^4\times 5^1\times {\mathrm{9100211}}^1$

素因数の和:9100224

約数の個数: 20

約数和(自身を含む): 1692639432

約数和(自身を除く): 964622552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9100211, 18200422, 36400844, 45501055, 72801688, 91002110, 145603376, 182004220, 364008440, 728016880]

約数ペア:

[(1, 728016880), (2, 364008440), (4, 182004220), (5, 145603376), (8, 91002110), (10, 72801688), (16, 45501055), (20, 36400844), (40, 18200422), (80, 9100211)]