40921780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15619}}^1$

素因数の和:15759

約数の個数: 24

約数和(自身を含む): 86597280

約数和(自身を除く): 45675500

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 15619, 31238, 62476, 78095, 156190, 312380, 2046089, 4092178, 8184356, 10230445, 20460890, 40921780]

約数ペア:

[(1, 40921780), (2, 20460890), (4, 10230445), (5, 8184356), (10, 4092178), (20, 2046089), (131, 312380), (262, 156190), (524, 78095), (655, 62476), (1310, 31238), (2620, 15619)]