248701016840

素因数分解:

$2^3\times 5^1\times {\mathrm{32609}}^1\times {\mathrm{190669}}^1$

素因数の和:223289

約数の個数: 32

約数和(自身を含む): 559597383000

約数和(自身を除く): 310896366160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32609, 65218, 130436, 163045, 190669, 260872, 326090, 381338, 652180, 762676, 953345, 1304360, 1525352, 1906690, 3813380, 7626760, 6217525421, 12435050842, 24870101684, 31087627105, 49740203368, 62175254210, 124350508420, 248701016840]

約数ペア:

[(1, 248701016840), (2, 124350508420), (4, 62175254210), (5, 49740203368), (8, 31087627105), (10, 24870101684), (20, 12435050842), (40, 6217525421), (32609, 7626760), (65218, 3813380), (130436, 1906690), (163045, 1525352), (190669, 1304360), (260872, 953345), (326090, 762676), (381338, 652180)]