55581760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:492

約数の個数: 112

約数和(自身を含む): 147474432

約数和(自身を除く): 91892672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 431, 496, 520, 620, 806, 832, 862, 992, 1040, 1240, 1612, 1724, 1984, 2015, 2080, 2155, 2480, 3224, 3448, 4030, 4160, 4310, 4960, 5603, 6448, 6896, 8060, 8620, 9920, 11206, 12896, 13361, 13792, 16120, 17240, 22412, 25792, 26722, 27584, 28015, 32240, 34480, 44824, 53444, 56030, 64480, 66805, 68960, 89648, 106888, 112060, 128960, 133610, 137920, 173693, 179296, 213776, 224120, 267220, 347386, 358592, 427552, 448240, 534440, 694772, 855104, 868465, 896480, 1068880, 1389544, 1736930, 1792960, 2137760, 2779088, 3473860, 4275520, 5558176, 6947720, 11116352, 13895440, 27790880, 55581760]

約数ペア:

[(1, 55581760), (2, 27790880), (4, 13895440), (5, 11116352), (8, 6947720), (10, 5558176), (13, 4275520), (16, 3473860), (20, 2779088), (26, 2137760), (31, 1792960), (32, 1736930), (40, 1389544), (52, 1068880), (62, 896480), (64, 868465), (65, 855104), (80, 694772), (104, 534440), (124, 448240), (130, 427552), (155, 358592), (160, 347386), (208, 267220), (248, 224120), (260, 213776), (310, 179296), (320, 173693), (403, 137920), (416, 133610), (431, 128960), (496, 112060), (520, 106888), (620, 89648), (806, 68960), (832, 66805), (862, 64480), (992, 56030), (1040, 53444), (1240, 44824), (1612, 34480), (1724, 32240), (1984, 28015), (2015, 27584), (2080, 26722), (2155, 25792), (2480, 22412), (3224, 17240), (3448, 16120), (4030, 13792), (4160, 13361), (4310, 12896), (4960, 11206), (5603, 9920), (6448, 8620), (6896, 8060)]