201725000

素因数分解:

$2^3\times 5^5\times {\mathrm{8069}}^1$

素因数の和:8100

約数の個数: 48

約数和(自身を含む): 472821300

約数和(自身を除く): 271096300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 3125, 5000, 6250, 8069, 12500, 16138, 25000, 32276, 40345, 64552, 80690, 161380, 201725, 322760, 403450, 806900, 1008625, 1613800, 2017250, 4034500, 5043125, 8069000, 10086250, 20172500, 25215625, 40345000, 50431250, 100862500, 201725000]

約数ペア:

[(1, 201725000), (2, 100862500), (4, 50431250), (5, 40345000), (8, 25215625), (10, 20172500), (20, 10086250), (25, 8069000), (40, 5043125), (50, 4034500), (100, 2017250), (125, 1613800), (200, 1008625), (250, 806900), (500, 403450), (625, 322760), (1000, 201725), (1250, 161380), (2500, 80690), (3125, 64552), (5000, 40345), (6250, 32276), (8069, 25000), (12500, 16138)]