54527840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20047}}^1$

素因数の和:20079

約数の個数: 48

約数和(自身を含む): 136406592

約数和(自身を除く): 81878752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 20047, 40094, 80188, 100235, 160376, 200470, 320752, 340799, 400940, 641504, 681598, 801880, 1363196, 1603760, 1703995, 2726392, 3207520, 3407990, 5452784, 6815980, 10905568, 13631960, 27263920, 54527840]

約数ペア:

[(1, 54527840), (2, 27263920), (4, 13631960), (5, 10905568), (8, 6815980), (10, 5452784), (16, 3407990), (17, 3207520), (20, 2726392), (32, 1703995), (34, 1603760), (40, 1363196), (68, 801880), (80, 681598), (85, 641504), (136, 400940), (160, 340799), (170, 320752), (272, 200470), (340, 160376), (544, 100235), (680, 80188), (1360, 40094), (2720, 20047)]