78375980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{135131}}^1$

素因数の和:135169

約数の個数: 24

約数和(自身を含む): 170266320

約数和(自身を除く): 91890340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 135131, 270262, 540524, 675655, 1351310, 2702620, 3918799, 7837598, 15675196, 19593995, 39187990, 78375980]

約数ペア:

[(1, 78375980), (2, 39187990), (4, 19593995), (5, 15675196), (10, 7837598), (20, 3918799), (29, 2702620), (58, 1351310), (116, 675655), (145, 540524), (290, 270262), (580, 135131)]