66999860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 147692160

約数和(自身を除く): 80692300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 1627, 2059, 3254, 4118, 6508, 8135, 8236, 10295, 16270, 20590, 32540, 41180, 47183, 94366, 115517, 188732, 231034, 235915, 462068, 471830, 577585, 943660, 1155170, 2310340, 3349993, 6699986, 13399972, 16749965, 33499930, 66999860]

約数ペア:

[(1, 66999860), (2, 33499930), (4, 16749965), (5, 13399972), (10, 6699986), (20, 3349993), (29, 2310340), (58, 1155170), (71, 943660), (116, 577585), (142, 471830), (145, 462068), (284, 235915), (290, 231034), (355, 188732), (580, 115517), (710, 94366), (1420, 47183), (1627, 41180), (2059, 32540), (3254, 20590), (4118, 16270), (6508, 10295), (8135, 8236)]