129865475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11887}}^1$

素因数の和:11939

約数の個数: 24

約数和(自身を含む): 176893440

約数和(自身を除く): 47027965

約数列:

[1, 5, 19, 23, 25, 95, 115, 437, 475, 575, 2185, 10925, 11887, 59435, 225853, 273401, 297175, 1129265, 1367005, 5194619, 5646325, 6835025, 25973095, 129865475]

約数ペア:

[(1, 129865475), (5, 25973095), (19, 6835025), (23, 5646325), (25, 5194619), (95, 1367005), (115, 1129265), (437, 297175), (475, 273401), (575, 225853), (2185, 59435), (10925, 11887)]