25380220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43759}}^1$

素因数の和:43797

約数の個数: 24

約数和(自身を含む): 55137600

約数和(自身を除く): 29757380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 43759, 87518, 175036, 218795, 437590, 875180, 1269011, 2538022, 5076044, 6345055, 12690110, 25380220]

約数ペア:

[(1, 25380220), (2, 12690110), (4, 6345055), (5, 5076044), (10, 2538022), (20, 1269011), (29, 875180), (58, 437590), (116, 218795), (145, 175036), (290, 87518), (580, 43759)]