90653620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{50929}}^1$

素因数の和:51027

約数の個数: 24

約数和(自身を含む): 192515400

約数和(自身を除く): 101861780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 50929, 101858, 203716, 254645, 509290, 1018580, 4532681, 9065362, 18130724, 22663405, 45326810, 90653620]

約数ペア:

[(1, 90653620), (2, 45326810), (4, 22663405), (5, 18130724), (10, 9065362), (20, 4532681), (89, 1018580), (178, 509290), (356, 254645), (445, 203716), (890, 101858), (1780, 50929)]