207826540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{253447}}^1$

素因数の和:253497

約数の個数: 24

約数和(自身を含む): 447082272

約数和(自身を除く): 239255732

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 253447, 506894, 1013788, 1267235, 2534470, 5068940, 10391327, 20782654, 41565308, 51956635, 103913270, 207826540]

約数ペア:

[(1, 207826540), (2, 103913270), (4, 51956635), (5, 41565308), (10, 20782654), (20, 10391327), (41, 5068940), (82, 2534470), (164, 1267235), (205, 1013788), (410, 506894), (820, 253447)]