28318799620

素因数分解:

$2^2\times 5^1\times {\mathrm{10723}}^1\times {\mathrm{132047}}^1$

素因数の和:142779

約数の個数: 24

約数和(自身を含む): 59475475584

約数和(自身を除く): 31156675964

約数列:

[1, 2, 4, 5, 10, 20, 10723, 21446, 42892, 53615, 107230, 132047, 214460, 264094, 528188, 660235, 1320470, 2640940, 1415939981, 2831879962, 5663759924, 7079699905, 14159399810, 28318799620]

約数ペア:

[(1, 28318799620), (2, 14159399810), (4, 7079699905), (5, 5663759924), (10, 2831879962), (20, 1415939981), (10723, 2640940), (21446, 1320470), (42892, 660235), (53615, 528188), (107230, 264094), (132047, 214460)]