25112500

素因数分解:

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

素因数の和:84

約数の個数: 108

約数和(自身を含む): 65456748

約数和(自身を除く): 40344248

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 49, 50, 70, 82, 98, 100, 125, 140, 164, 175, 196, 205, 245, 250, 287, 350, 410, 490, 500, 574, 625, 700, 820, 875, 980, 1025, 1148, 1225, 1250, 1435, 1750, 2009, 2050, 2450, 2500, 2870, 3125, 3500, 4018, 4100, 4375, 4900, 5125, 5740, 6125, 6250, 7175, 8036, 8750, 10045, 10250, 12250, 12500, 14350, 17500, 20090, 20500, 21875, 24500, 25625, 28700, 30625, 35875, 40180, 43750, 50225, 51250, 61250, 71750, 87500, 100450, 102500, 122500, 128125, 143500, 153125, 179375, 200900, 251125, 256250, 306250, 358750, 502250, 512500, 612500, 717500, 896875, 1004500, 1255625, 1793750, 2511250, 3587500, 5022500, 6278125, 12556250, 25112500]

約数ペア:

[(1, 25112500), (2, 12556250), (4, 6278125), (5, 5022500), (7, 3587500), (10, 2511250), (14, 1793750), (20, 1255625), (25, 1004500), (28, 896875), (35, 717500), (41, 612500), (49, 512500), (50, 502250), (70, 358750), (82, 306250), (98, 256250), (100, 251125), (125, 200900), (140, 179375), (164, 153125), (175, 143500), (196, 128125), (205, 122500), (245, 102500), (250, 100450), (287, 87500), (350, 71750), (410, 61250), (490, 51250), (500, 50225), (574, 43750), (625, 40180), (700, 35875), (820, 30625), (875, 28700), (980, 25625), (1025, 24500), (1148, 21875), (1225, 20500), (1250, 20090), (1435, 17500), (1750, 14350), (2009, 12500), (2050, 12250), (2450, 10250), (2500, 10045), (2870, 8750), (3125, 8036), (3500, 7175), (4018, 6250), (4100, 6125), (4375, 5740), (4900, 5125)]