100411420

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{25229}}^1$

素因数の和:25437

約数の個数: 24

約数和(自身を含む): 211932000

約数和(自身を除く): 111520580

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 25229, 50458, 100916, 126145, 252290, 504580, 5020571, 10041142, 20082284, 25102855, 50205710, 100411420]

約数ペア:

[(1, 100411420), (2, 50205710), (4, 25102855), (5, 20082284), (10, 10041142), (20, 5020571), (199, 504580), (398, 252290), (796, 126145), (995, 100916), (1990, 50458), (3980, 25229)]