12556250

素因数分解:

$2^1\times 5^5\times 7^2\times {\mathrm{41}}^1$

素因数の和:82

約数の個数: 72

約数和(自身を含む): 28052892

約数和(自身を除く): 15496642

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 49, 50, 70, 82, 98, 125, 175, 205, 245, 250, 287, 350, 410, 490, 574, 625, 875, 1025, 1225, 1250, 1435, 1750, 2009, 2050, 2450, 2870, 3125, 4018, 4375, 5125, 6125, 6250, 7175, 8750, 10045, 10250, 12250, 14350, 20090, 21875, 25625, 30625, 35875, 43750, 50225, 51250, 61250, 71750, 100450, 128125, 153125, 179375, 251125, 256250, 306250, 358750, 502250, 896875, 1255625, 1793750, 2511250, 6278125, 12556250]

約数ペア:

[(1, 12556250), (2, 6278125), (5, 2511250), (7, 1793750), (10, 1255625), (14, 896875), (25, 502250), (35, 358750), (41, 306250), (49, 256250), (50, 251125), (70, 179375), (82, 153125), (98, 128125), (125, 100450), (175, 71750), (205, 61250), (245, 51250), (250, 50225), (287, 43750), (350, 35875), (410, 30625), (490, 25625), (574, 21875), (625, 20090), (875, 14350), (1025, 12250), (1225, 10250), (1250, 10045), (1435, 8750), (1750, 7175), (2009, 6250), (2050, 6125), (2450, 5125), (2870, 4375), (3125, 4018)]