51369560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{373}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 126830880

約数和(自身を除く): 75461320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 313, 373, 440, 626, 746, 1252, 1492, 1565, 1865, 2504, 2984, 3130, 3443, 3730, 4103, 6260, 6886, 7460, 8206, 12520, 13772, 14920, 16412, 17215, 20515, 27544, 32824, 34430, 41030, 68860, 82060, 116749, 137720, 164120, 233498, 466996, 583745, 933992, 1167490, 1284239, 2334980, 2568478, 4669960, 5136956, 6421195, 10273912, 12842390, 25684780, 51369560]

約数ペア:

[(1, 51369560), (2, 25684780), (4, 12842390), (5, 10273912), (8, 6421195), (10, 5136956), (11, 4669960), (20, 2568478), (22, 2334980), (40, 1284239), (44, 1167490), (55, 933992), (88, 583745), (110, 466996), (220, 233498), (313, 164120), (373, 137720), (440, 116749), (626, 82060), (746, 68860), (1252, 41030), (1492, 34430), (1565, 32824), (1865, 27544), (2504, 20515), (2984, 17215), (3130, 16412), (3443, 14920), (3730, 13772), (4103, 12520), (6260, 8206), (6886, 7460)]