20250500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 44776368

約数和(自身を除く): 24525868

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 202, 250, 401, 404, 500, 505, 802, 1010, 1604, 2005, 2020, 2525, 4010, 5050, 8020, 10025, 10100, 12625, 20050, 25250, 40100, 40501, 50125, 50500, 81002, 100250, 162004, 200500, 202505, 405010, 810020, 1012525, 2025050, 4050100, 5062625, 10125250, 20250500]

約数ペア:

[(1, 20250500), (2, 10125250), (4, 5062625), (5, 4050100), (10, 2025050), (20, 1012525), (25, 810020), (50, 405010), (100, 202505), (101, 200500), (125, 162004), (202, 100250), (250, 81002), (401, 50500), (404, 50125), (500, 40501), (505, 40100), (802, 25250), (1010, 20050), (1604, 12625), (2005, 10100), (2020, 10025), (2525, 8020), (4010, 5050)]