2612500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:59

約数の個数: 72

約数和(自身を含む): 6562080

約数和(自身を除く): 3949580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 125, 190, 209, 220, 250, 275, 380, 418, 475, 500, 550, 625, 836, 950, 1045, 1100, 1250, 1375, 1900, 2090, 2375, 2500, 2750, 3125, 4180, 4750, 5225, 5500, 6250, 6875, 9500, 10450, 11875, 12500, 13750, 20900, 23750, 26125, 27500, 34375, 47500, 52250, 59375, 68750, 104500, 118750, 130625, 137500, 237500, 261250, 522500, 653125, 1306250, 2612500]

約数ペア:

[(1, 2612500), (2, 1306250), (4, 653125), (5, 522500), (10, 261250), (11, 237500), (19, 137500), (20, 130625), (22, 118750), (25, 104500), (38, 68750), (44, 59375), (50, 52250), (55, 47500), (76, 34375), (95, 27500), (100, 26125), (110, 23750), (125, 20900), (190, 13750), (209, 12500), (220, 11875), (250, 10450), (275, 9500), (380, 6875), (418, 6250), (475, 5500), (500, 5225), (550, 4750), (625, 4180), (836, 3125), (950, 2750), (1045, 2500), (1100, 2375), (1250, 2090), (1375, 1900)]