42278375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 55598400

約数和(自身を除く): 13320025

約数列:

[1, 5, 25, 29, 107, 109, 125, 145, 535, 545, 725, 2675, 2725, 3103, 3161, 3625, 11663, 13375, 13625, 15515, 15805, 58315, 77575, 79025, 291575, 338227, 387875, 395125, 1457875, 1691135, 8455675, 42278375]

約数ペア:

[(1, 42278375), (5, 8455675), (25, 1691135), (29, 1457875), (107, 395125), (109, 387875), (125, 338227), (145, 291575), (535, 79025), (545, 77575), (725, 58315), (2675, 15805), (2725, 15515), (3103, 13625), (3161, 13375), (3625, 11663)]