66047560

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1291}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 148838400

約数和(自身を除く): 82790840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 1291, 2558, 2582, 5116, 5164, 6395, 6455, 10232, 10328, 12790, 12910, 25580, 25820, 51160, 51640, 1651189, 3302378, 6604756, 8255945, 13209512, 16511890, 33023780, 66047560]

約数ペア:

[(1, 66047560), (2, 33023780), (4, 16511890), (5, 13209512), (8, 8255945), (10, 6604756), (20, 3302378), (40, 1651189), (1279, 51640), (1291, 51160), (2558, 25820), (2582, 25580), (5116, 12910), (5164, 12790), (6395, 10328), (6455, 10232)]