51981760

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2663}}^1$

素因数の和:2741

約数の個数: 56

約数和(自身を含む): 125858016

約数和(自身を除く): 73876256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 2663, 3904, 4880, 5326, 9760, 10652, 13315, 19520, 21304, 26630, 42608, 53260, 85216, 106520, 162443, 170432, 213040, 324886, 426080, 649772, 812215, 852160, 1299544, 1624430, 2599088, 3248860, 5198176, 6497720, 10396352, 12995440, 25990880, 51981760]

約数ペア:

[(1, 51981760), (2, 25990880), (4, 12995440), (5, 10396352), (8, 6497720), (10, 5198176), (16, 3248860), (20, 2599088), (32, 1624430), (40, 1299544), (61, 852160), (64, 812215), (80, 649772), (122, 426080), (160, 324886), (244, 213040), (305, 170432), (320, 162443), (488, 106520), (610, 85216), (976, 53260), (1220, 42608), (1952, 26630), (2440, 21304), (2663, 19520), (3904, 13315), (4880, 10652), (5326, 9760)]