51288800

素因数分解:

$2^5\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1132

約数の個数: 72

約数和(自身を含む): 127382472

約数和(自身を除く): 76093672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 80, 100, 122, 160, 200, 244, 305, 400, 488, 610, 800, 976, 1051, 1220, 1525, 1952, 2102, 2440, 3050, 4204, 4880, 5255, 6100, 8408, 9760, 10510, 12200, 16816, 21020, 24400, 26275, 33632, 42040, 48800, 52550, 64111, 84080, 105100, 128222, 168160, 210200, 256444, 320555, 420400, 512888, 641110, 840800, 1025776, 1282220, 1602775, 2051552, 2564440, 3205550, 5128880, 6411100, 10257760, 12822200, 25644400, 51288800]

約数ペア:

[(1, 51288800), (2, 25644400), (4, 12822200), (5, 10257760), (8, 6411100), (10, 5128880), (16, 3205550), (20, 2564440), (25, 2051552), (32, 1602775), (40, 1282220), (50, 1025776), (61, 840800), (80, 641110), (100, 512888), (122, 420400), (160, 320555), (200, 256444), (244, 210200), (305, 168160), (400, 128222), (488, 105100), (610, 84080), (800, 64111), (976, 52550), (1051, 48800), (1220, 42040), (1525, 33632), (1952, 26275), (2102, 24400), (2440, 21020), (3050, 16816), (4204, 12200), (4880, 10510), (5255, 9760), (6100, 8408)]