4225000

素因数分解:

$2^3\times 5^5\times {\mathrm{13}}^2$

素因数の和:57

約数の個数: 72

約数和(自身を含む): 10721970

約数和(自身を除く): 6496970

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 169, 200, 250, 260, 325, 338, 500, 520, 625, 650, 676, 845, 1000, 1250, 1300, 1352, 1625, 1690, 2500, 2600, 3125, 3250, 3380, 4225, 5000, 6250, 6500, 6760, 8125, 8450, 12500, 13000, 16250, 16900, 21125, 25000, 32500, 33800, 40625, 42250, 65000, 81250, 84500, 105625, 162500, 169000, 211250, 325000, 422500, 528125, 845000, 1056250, 2112500, 4225000]

約数ペア:

[(1, 4225000), (2, 2112500), (4, 1056250), (5, 845000), (8, 528125), (10, 422500), (13, 325000), (20, 211250), (25, 169000), (26, 162500), (40, 105625), (50, 84500), (52, 81250), (65, 65000), (100, 42250), (104, 40625), (125, 33800), (130, 32500), (169, 25000), (200, 21125), (250, 16900), (260, 16250), (325, 13000), (338, 12500), (500, 8450), (520, 8125), (625, 6760), (650, 6500), (676, 6250), (845, 5000), (1000, 4225), (1250, 3380), (1300, 3250), (1352, 3125), (1625, 2600), (1690, 2500)]