12870890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41519}}^1$

素因数の和:41557

約数の個数: 16

約数和(自身を含む): 23915520

約数和(自身を除く): 11044630

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 41519, 83038, 207595, 415190, 1287089, 2574178, 6435445, 12870890]

約数ペア:

[(1, 12870890), (2, 6435445), (5, 2574178), (10, 1287089), (31, 415190), (62, 207595), (155, 83038), (310, 41519)]