2912081780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1636001}}^1$

素因数の和:1636099

約数の個数: 24

約数和(自身を含む): 6184087560

約数和(自身を除く): 3272005780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 1636001, 3272002, 6544004, 8180005, 16360010, 32720020, 145604089, 291208178, 582416356, 728020445, 1456040890, 2912081780]

約数ペア:

[(1, 2912081780), (2, 1456040890), (4, 728020445), (5, 582416356), (10, 291208178), (20, 145604089), (89, 32720020), (178, 16360010), (356, 8180005), (445, 6544004), (890, 3272002), (1780, 1636001)]