1250440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 2882880

約数和(自身を除く): 1632440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 727, 860, 1454, 1720, 2908, 3635, 5816, 7270, 14540, 29080, 31261, 62522, 125044, 156305, 250088, 312610, 625220, 1250440]

約数ペア:

[(1, 1250440), (2, 625220), (4, 312610), (5, 250088), (8, 156305), (10, 125044), (20, 62522), (40, 31261), (43, 29080), (86, 14540), (172, 7270), (215, 5816), (344, 3635), (430, 2908), (727, 1720), (860, 1454)]