1002500

素因数分解:

$2^2\times 5^4\times {\mathrm{401}}^1$

素因数の和:425

約数の個数: 30

約数和(自身を含む): 2197734

約数和(自身を除く): 1195234

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 401, 500, 625, 802, 1250, 1604, 2005, 2500, 4010, 8020, 10025, 20050, 40100, 50125, 100250, 200500, 250625, 501250, 1002500]

約数ペア:

[(1, 1002500), (2, 501250), (4, 250625), (5, 200500), (10, 100250), (20, 50125), (25, 40100), (50, 20050), (100, 10025), (125, 8020), (250, 4010), (401, 2500), (500, 2005), (625, 1604), (802, 1250)]