66704240

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1481}}^1$

素因数の和:2057

約数の個数: 40

約数和(自身を含む): 155467728

約数和(自身を除く): 88763488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 1481, 2252, 2815, 2962, 4504, 5630, 5924, 7405, 9008, 11260, 11848, 14810, 22520, 23696, 29620, 45040, 59240, 118480, 833803, 1667606, 3335212, 4169015, 6670424, 8338030, 13340848, 16676060, 33352120, 66704240]

約数ペア:

[(1, 66704240), (2, 33352120), (4, 16676060), (5, 13340848), (8, 8338030), (10, 6670424), (16, 4169015), (20, 3335212), (40, 1667606), (80, 833803), (563, 118480), (1126, 59240), (1481, 45040), (2252, 29620), (2815, 23696), (2962, 22520), (4504, 14810), (5630, 11848), (5924, 11260), (7405, 9008)]