200401000

素因数分解:

$2^3\times 5^3\times {\mathrm{200401}}^1$

素因数の和:200422

約数の個数: 32

約数和(自身を含む): 468940680

約数和(自身を除く): 268539680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 200401, 400802, 801604, 1002005, 1603208, 2004010, 4008020, 5010025, 8016040, 10020050, 20040100, 25050125, 40080200, 50100250, 100200500, 200401000]

約数ペア:

[(1, 200401000), (2, 100200500), (4, 50100250), (5, 40080200), (8, 25050125), (10, 20040100), (20, 10020050), (25, 8016040), (40, 5010025), (50, 4008020), (100, 2004010), (125, 1603208), (200, 1002005), (250, 801604), (500, 400802), (1000, 200401)]