105550225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20201}}^1$

素因数の和:20241

約数の個数: 24

約数和(自身を含む): 150302880

約数和(自身を除く): 44752655

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 20201, 101005, 222211, 383819, 505025, 1111055, 1919095, 4222009, 5555275, 9595475, 21110045, 105550225]

約数ペア:

[(1, 105550225), (5, 21110045), (11, 9595475), (19, 5555275), (25, 4222009), (55, 1919095), (95, 1111055), (209, 505025), (275, 383819), (475, 222211), (1045, 101005), (5225, 20201)]