39903820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5851}}^1$

素因数の和:5902

約数の個数: 48

約数和(自身を含む): 94381056

約数和(自身を除く): 54477236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 5851, 6820, 11702, 23404, 29255, 58510, 64361, 117020, 128722, 181381, 257444, 321805, 362762, 643610, 725524, 906905, 1287220, 1813810, 1995191, 3627620, 3990382, 7980764, 9975955, 19951910, 39903820]

約数ペア:

[(1, 39903820), (2, 19951910), (4, 9975955), (5, 7980764), (10, 3990382), (11, 3627620), (20, 1995191), (22, 1813810), (31, 1287220), (44, 906905), (55, 725524), (62, 643610), (110, 362762), (124, 321805), (155, 257444), (220, 181381), (310, 128722), (341, 117020), (620, 64361), (682, 58510), (1364, 29255), (1705, 23404), (3410, 11702), (5851, 6820)]