1256113960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{352841}}^1$

素因数の和:352941

約数の個数: 32

約数和(自身を含む): 2858020200

約数和(自身を除く): 1601906240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 352841, 705682, 1411364, 1764205, 2822728, 3528410, 7056820, 14113640, 31402849, 62805698, 125611396, 157014245, 251222792, 314028490, 628056980, 1256113960]

約数ペア:

[(1, 1256113960), (2, 628056980), (4, 314028490), (5, 251222792), (8, 157014245), (10, 125611396), (20, 62805698), (40, 31402849), (89, 14113640), (178, 7056820), (356, 3528410), (445, 2822728), (712, 1764205), (890, 1411364), (1780, 705682), (3560, 352841)]