12220000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 120

約数和(自身を含む): 33064416

約数和(自身を除く): 20844416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 47, 50, 52, 65, 80, 94, 100, 104, 125, 130, 160, 188, 200, 208, 235, 250, 260, 325, 376, 400, 416, 470, 500, 520, 611, 625, 650, 752, 800, 940, 1000, 1040, 1175, 1222, 1250, 1300, 1504, 1625, 1880, 2000, 2080, 2350, 2444, 2500, 2600, 3055, 3250, 3760, 4000, 4700, 4888, 5000, 5200, 5875, 6110, 6500, 7520, 8125, 9400, 9776, 10000, 10400, 11750, 12220, 13000, 15275, 16250, 18800, 19552, 20000, 23500, 24440, 26000, 29375, 30550, 32500, 37600, 47000, 48880, 52000, 58750, 61100, 65000, 76375, 94000, 97760, 117500, 122200, 130000, 152750, 188000, 235000, 244400, 260000, 305500, 381875, 470000, 488800, 611000, 763750, 940000, 1222000, 1527500, 2444000, 3055000, 6110000, 12220000]

約数ペア:

[(1, 12220000), (2, 6110000), (4, 3055000), (5, 2444000), (8, 1527500), (10, 1222000), (13, 940000), (16, 763750), (20, 611000), (25, 488800), (26, 470000), (32, 381875), (40, 305500), (47, 260000), (50, 244400), (52, 235000), (65, 188000), (80, 152750), (94, 130000), (100, 122200), (104, 117500), (125, 97760), (130, 94000), (160, 76375), (188, 65000), (200, 61100), (208, 58750), (235, 52000), (250, 48880), (260, 47000), (325, 37600), (376, 32500), (400, 30550), (416, 29375), (470, 26000), (500, 24440), (520, 23500), (611, 20000), (625, 19552), (650, 18800), (752, 16250), (800, 15275), (940, 13000), (1000, 12220), (1040, 11750), (1175, 10400), (1222, 10000), (1250, 9776), (1300, 9400), (1504, 8125), (1625, 7520), (1880, 6500), (2000, 6110), (2080, 5875), (2350, 5200), (2444, 5000), (2500, 4888), (2600, 4700), (3055, 4000), (3250, 3760)]