12821250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:301

約数の個数: 80

約数和(自身を含む): 34638912

約数和(自身を除く): 21817662

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 263, 325, 375, 390, 526, 625, 650, 750, 789, 975, 1250, 1315, 1578, 1625, 1875, 1950, 2630, 3250, 3419, 3750, 3945, 4875, 6575, 6838, 7890, 8125, 9750, 10257, 13150, 16250, 17095, 19725, 20514, 24375, 32875, 34190, 39450, 48750, 51285, 65750, 85475, 98625, 102570, 164375, 170950, 197250, 256425, 328750, 427375, 493125, 512850, 854750, 986250, 1282125, 2136875, 2564250, 4273750, 6410625, 12821250]

約数ペア:

[(1, 12821250), (2, 6410625), (3, 4273750), (5, 2564250), (6, 2136875), (10, 1282125), (13, 986250), (15, 854750), (25, 512850), (26, 493125), (30, 427375), (39, 328750), (50, 256425), (65, 197250), (75, 170950), (78, 164375), (125, 102570), (130, 98625), (150, 85475), (195, 65750), (250, 51285), (263, 48750), (325, 39450), (375, 34190), (390, 32875), (526, 24375), (625, 20514), (650, 19725), (750, 17095), (789, 16250), (975, 13150), (1250, 10257), (1315, 9750), (1578, 8125), (1625, 7890), (1875, 6838), (1950, 6575), (2630, 4875), (3250, 3945), (3419, 3750)]