80913760

素因数分解:

$2^5\times 5^1\times {\mathrm{505711}}^1$

素因数の和:505726

約数の個数: 24

約数和(自身を含む): 191159136

約数和(自身を除く): 110245376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 505711, 1011422, 2022844, 2528555, 4045688, 5057110, 8091376, 10114220, 16182752, 20228440, 40456880, 80913760]

約数ペア:

[(1, 80913760), (2, 40456880), (4, 20228440), (5, 16182752), (8, 10114220), (10, 8091376), (16, 5057110), (20, 4045688), (32, 2528555), (40, 2022844), (80, 1011422), (160, 505711)]