210003260

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{16229}}^1$

素因数の和:16885

約数の個数: 24

約数和(自身を含む): 441715680

約数和(自身を除く): 231712420

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 12940, 16229, 32458, 64916, 81145, 162290, 324580, 10500163, 21000326, 42000652, 52500815, 105001630, 210003260]

約数ペア:

[(1, 210003260), (2, 105001630), (4, 52500815), (5, 42000652), (10, 21000326), (20, 10500163), (647, 324580), (1294, 162290), (2588, 81145), (3235, 64916), (6470, 32458), (12940, 16229)]