28872460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84919}}^1$

素因数の和:84945

約数の個数: 24

約数和(自身を含む): 64199520

約数和(自身を除く): 35327060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84919, 169838, 339676, 424595, 849190, 1443623, 1698380, 2887246, 5774492, 7218115, 14436230, 28872460]

約数ペア:

[(1, 28872460), (2, 14436230), (4, 7218115), (5, 5774492), (10, 2887246), (17, 1698380), (20, 1443623), (34, 849190), (68, 424595), (85, 339676), (170, 169838), (340, 84919)]