28622240

素因数分解:

$2^5\times 5^1\times {\mathrm{178889}}^1$

素因数の和:178904

約数の個数: 24

約数和(自身を含む): 67620420

約数和(自身を除く): 38998180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 178889, 357778, 715556, 894445, 1431112, 1788890, 2862224, 3577780, 5724448, 7155560, 14311120, 28622240]

約数ペア:

[(1, 28622240), (2, 14311120), (4, 7155560), (5, 5724448), (8, 3577780), (10, 2862224), (16, 1788890), (20, 1431112), (32, 894445), (40, 715556), (80, 357778), (160, 178889)]