66215960

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1879}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 149234400

約数和(自身を除く): 83018440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1762, 1879, 3524, 3758, 4405, 7048, 7516, 8810, 9395, 15032, 17620, 18790, 35240, 37580, 75160, 1655399, 3310798, 6621596, 8276995, 13243192, 16553990, 33107980, 66215960]

約数ペア:

[(1, 66215960), (2, 33107980), (4, 16553990), (5, 13243192), (8, 8276995), (10, 6621596), (20, 3310798), (40, 1655399), (881, 75160), (1762, 37580), (1879, 35240), (3524, 18790), (3758, 17620), (4405, 15032), (7048, 9395), (7516, 8810)]