66437500

素因数分解:

$2^2\times 5^6\times {\mathrm{1063}}^1$

素因数の和:1097

約数の個数: 42

約数和(自身を含む): 145466888

約数和(自身を除く): 79029388

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1063, 1250, 2126, 2500, 3125, 4252, 5315, 6250, 10630, 12500, 15625, 21260, 26575, 31250, 53150, 62500, 106300, 132875, 265750, 531500, 664375, 1328750, 2657500, 3321875, 6643750, 13287500, 16609375, 33218750, 66437500]

約数ペア:

[(1, 66437500), (2, 33218750), (4, 16609375), (5, 13287500), (10, 6643750), (20, 3321875), (25, 2657500), (50, 1328750), (100, 664375), (125, 531500), (250, 265750), (500, 132875), (625, 106300), (1063, 62500), (1250, 53150), (2126, 31250), (2500, 26575), (3125, 21260), (4252, 15625), (5315, 12500), (6250, 10630)]