25475000

素因数分解:

$2^3\times 5^5\times {\mathrm{1019}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 59761800

約数和(自身を除く): 34286800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1019, 1250, 2038, 2500, 3125, 4076, 5000, 5095, 6250, 8152, 10190, 12500, 20380, 25000, 25475, 40760, 50950, 101900, 127375, 203800, 254750, 509500, 636875, 1019000, 1273750, 2547500, 3184375, 5095000, 6368750, 12737500, 25475000]

約数ペア:

[(1, 25475000), (2, 12737500), (4, 6368750), (5, 5095000), (8, 3184375), (10, 2547500), (20, 1273750), (25, 1019000), (40, 636875), (50, 509500), (100, 254750), (125, 203800), (200, 127375), (250, 101900), (500, 50950), (625, 40760), (1000, 25475), (1019, 25000), (1250, 20380), (2038, 12500), (2500, 10190), (3125, 8152), (4076, 6250), (5000, 5095)]