26261980

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3119}}^1$

素因数の和:3549

約数の個数: 24

約数和(自身を含む): 55298880

約数和(自身を除く): 29036900

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 3119, 4210, 6238, 8420, 12476, 15595, 31190, 62380, 1313099, 2626198, 5252396, 6565495, 13130990, 26261980]

約数ペア:

[(1, 26261980), (2, 13130990), (4, 6565495), (5, 5252396), (10, 2626198), (20, 1313099), (421, 62380), (842, 31190), (1684, 15595), (2105, 12476), (3119, 8420), (4210, 6238)]