68921540

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{41519}}^1$

素因数の和:41611

約数の個数: 24

約数和(自身を含む): 146482560

約数和(自身を除く): 77561020

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 41519, 83038, 166076, 207595, 415190, 830380, 3446077, 6892154, 13784308, 17230385, 34460770, 68921540]

約数ペア:

[(1, 68921540), (2, 34460770), (4, 17230385), (5, 13784308), (10, 6892154), (20, 3446077), (83, 830380), (166, 415190), (332, 207595), (415, 166076), (830, 83038), (1660, 41519)]