21822880

素因数分解:

$2^5\times 5^1\times {\mathrm{136393}}^1$

素因数の和:136408

約数の個数: 24

約数和(自身を含む): 51556932

約数和(自身を除く): 29734052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 136393, 272786, 545572, 681965, 1091144, 1363930, 2182288, 2727860, 4364576, 5455720, 10911440, 21822880]

約数ペア:

[(1, 21822880), (2, 10911440), (4, 5455720), (5, 4364576), (8, 2727860), (10, 2182288), (16, 1363930), (20, 1091144), (32, 681965), (40, 545572), (80, 272786), (160, 136393)]