69920560

素因数分解:

$2^4\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1291}}^1$

素因数の和:1981

約数の個数: 40

約数和(自身を含む): 162931536

約数和(自身を除く): 93010976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 677, 1291, 1354, 2582, 2708, 3385, 5164, 5416, 6455, 6770, 10328, 10832, 12910, 13540, 20656, 25820, 27080, 51640, 54160, 103280, 874007, 1748014, 3496028, 4370035, 6992056, 8740070, 13984112, 17480140, 34960280, 69920560]

約数ペア:

[(1, 69920560), (2, 34960280), (4, 17480140), (5, 13984112), (8, 8740070), (10, 6992056), (16, 4370035), (20, 3496028), (40, 1748014), (80, 874007), (677, 103280), (1291, 54160), (1354, 51640), (2582, 27080), (2708, 25820), (3385, 20656), (5164, 13540), (5416, 12910), (6455, 10832), (6770, 10328)]