145341880

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27737}}^1$

素因数の和:27879

約数の個数: 32

約数和(自身を含む): 329527440

約数和(自身を除く): 184185560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 27737, 55474, 110948, 138685, 221896, 277370, 554740, 1109480, 3633547, 7267094, 14534188, 18167735, 29068376, 36335470, 72670940, 145341880]

約数ペア:

[(1, 145341880), (2, 72670940), (4, 36335470), (5, 29068376), (8, 18167735), (10, 14534188), (20, 7267094), (40, 3633547), (131, 1109480), (262, 554740), (524, 277370), (655, 221896), (1048, 138685), (1310, 110948), (2620, 55474), (5240, 27737)]