47678840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9851}}^1$

素因数の和:9884

約数の個数: 48

約数和(自身を含む): 117928440

約数和(自身を除く): 70249600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 9851, 19702, 39404, 49255, 78808, 98510, 108361, 197020, 216722, 394040, 433444, 541805, 866888, 1083610, 1191971, 2167220, 2383942, 4334440, 4767884, 5959855, 9535768, 11919710, 23839420, 47678840]

約数ペア:

[(1, 47678840), (2, 23839420), (4, 11919710), (5, 9535768), (8, 5959855), (10, 4767884), (11, 4334440), (20, 2383942), (22, 2167220), (40, 1191971), (44, 1083610), (55, 866888), (88, 541805), (110, 433444), (121, 394040), (220, 216722), (242, 197020), (440, 108361), (484, 98510), (605, 78808), (968, 49255), (1210, 39404), (2420, 19702), (4840, 9851)]