51288900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13151}}^1$

素因数の和:13181

約数の個数: 72

約数和(自身を含む): 159823104

約数和(自身を除く): 108534204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 13151, 26302, 39453, 52604, 65755, 78906, 131510, 157812, 170963, 197265, 263020, 328775, 341926, 394530, 512889, 657550, 683852, 789060, 854815, 986325, 1025778, 1315100, 1709630, 1972650, 2051556, 2564445, 3419260, 3945300, 4274075, 5128890, 8548150, 10257780, 12822225, 17096300, 25644450, 51288900]

約数ペア:

[(1, 51288900), (2, 25644450), (3, 17096300), (4, 12822225), (5, 10257780), (6, 8548150), (10, 5128890), (12, 4274075), (13, 3945300), (15, 3419260), (20, 2564445), (25, 2051556), (26, 1972650), (30, 1709630), (39, 1315100), (50, 1025778), (52, 986325), (60, 854815), (65, 789060), (75, 683852), (78, 657550), (100, 512889), (130, 394530), (150, 341926), (156, 328775), (195, 263020), (260, 197265), (300, 170963), (325, 157812), (390, 131510), (650, 78906), (780, 65755), (975, 52604), (1300, 39453), (1950, 26302), (3900, 13151)]