31859080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1187}}^1$

素因数の和:1270

約数の個数: 64

約数和(自身を含む): 79548480

約数和(自身を除く): 47689400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1187, 1220, 1342, 2374, 2440, 2684, 3355, 4748, 5368, 5935, 6710, 9496, 11870, 13057, 13420, 23740, 26114, 26840, 47480, 52228, 65285, 72407, 104456, 130570, 144814, 261140, 289628, 362035, 522280, 579256, 724070, 796477, 1448140, 1592954, 2896280, 3185908, 3982385, 6371816, 7964770, 15929540, 31859080]

約数ペア:

[(1, 31859080), (2, 15929540), (4, 7964770), (5, 6371816), (8, 3982385), (10, 3185908), (11, 2896280), (20, 1592954), (22, 1448140), (40, 796477), (44, 724070), (55, 579256), (61, 522280), (88, 362035), (110, 289628), (122, 261140), (220, 144814), (244, 130570), (305, 104456), (440, 72407), (488, 65285), (610, 52228), (671, 47480), (1187, 26840), (1220, 26114), (1342, 23740), (2374, 13420), (2440, 13057), (2684, 11870), (3355, 9496), (4748, 6710), (5368, 5935)]