204568460

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{15809}}^1$

素因数の和:16465

約数の個数: 24

約数和(自身を含む): 430284960

約数和(自身を除く): 225716500

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 12940, 15809, 31618, 63236, 79045, 158090, 316180, 10228423, 20456846, 40913692, 51142115, 102284230, 204568460]

約数ペア:

[(1, 204568460), (2, 102284230), (4, 51142115), (5, 40913692), (10, 20456846), (20, 10228423), (647, 316180), (1294, 158090), (2588, 79045), (3235, 63236), (6470, 31618), (12940, 15809)]