38181880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{811}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 94711680

約数和(自身を除く): 56529800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 428, 440, 535, 811, 856, 1070, 1177, 1622, 2140, 2354, 3244, 4055, 4280, 4708, 5885, 6488, 8110, 8921, 9416, 11770, 16220, 17842, 23540, 32440, 35684, 44605, 47080, 71368, 86777, 89210, 173554, 178420, 347108, 356840, 433885, 694216, 867770, 954547, 1735540, 1909094, 3471080, 3818188, 4772735, 7636376, 9545470, 19090940, 38181880]

約数ペア:

[(1, 38181880), (2, 19090940), (4, 9545470), (5, 7636376), (8, 4772735), (10, 3818188), (11, 3471080), (20, 1909094), (22, 1735540), (40, 954547), (44, 867770), (55, 694216), (88, 433885), (107, 356840), (110, 347108), (214, 178420), (220, 173554), (428, 89210), (440, 86777), (535, 71368), (811, 47080), (856, 44605), (1070, 35684), (1177, 32440), (1622, 23540), (2140, 17842), (2354, 16220), (3244, 11770), (4055, 9416), (4280, 8921), (4708, 8110), (5885, 6488)]