64695560

素因数分解:

$2^3\times 5^1\times {\mathrm{929}}^1\times {\mathrm{1741}}^1$

素因数の和:2681

約数の個数: 32

約数和(自身を含む): 145805400

約数和(自身を除く): 81109840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 929, 1741, 1858, 3482, 3716, 4645, 6964, 7432, 8705, 9290, 13928, 17410, 18580, 34820, 37160, 69640, 1617389, 3234778, 6469556, 8086945, 12939112, 16173890, 32347780, 64695560]

約数ペア:

[(1, 64695560), (2, 32347780), (4, 16173890), (5, 12939112), (8, 8086945), (10, 6469556), (20, 3234778), (40, 1617389), (929, 69640), (1741, 37160), (1858, 34820), (3482, 18580), (3716, 17410), (4645, 13928), (6964, 9290), (7432, 8705)]