225440

素因数分解:

$2^5\times 5^1\times {\mathrm{1409}}^1$

素因数の和:1424

約数の個数: 24

約数和(自身を含む): 532980

約数和(自身を除く): 307540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1409, 2818, 5636, 7045, 11272, 14090, 22544, 28180, 45088, 56360, 112720, 225440]

約数ペア:

[(1, 225440), (2, 112720), (4, 56360), (5, 45088), (8, 28180), (10, 22544), (16, 14090), (20, 11272), (32, 7045), (40, 5636), (80, 2818), (160, 1409)]