138958520

素因数分解:

$2^3\times 5^1\times {\mathrm{1523}}^1\times {\mathrm{2281}}^1$

素因数の和:3815

約数の個数: 32

約数和(自身を含む): 312999120

約数和(自身を除く): 174040600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1523, 2281, 3046, 4562, 6092, 7615, 9124, 11405, 12184, 15230, 18248, 22810, 30460, 45620, 60920, 91240, 3473963, 6947926, 13895852, 17369815, 27791704, 34739630, 69479260, 138958520]

約数ペア:

[(1, 138958520), (2, 69479260), (4, 34739630), (5, 27791704), (8, 17369815), (10, 13895852), (20, 6947926), (40, 3473963), (1523, 91240), (2281, 60920), (3046, 45620), (4562, 30460), (6092, 22810), (7615, 18248), (9124, 15230), (11405, 12184)]