1275920920

素因数分解:

$2^3\times 5^1\times {\mathrm{31898023}}^1$

素因数の和:31898034

約数の個数: 16

約数和(自身を含む): 2870822160

約数和(自身を除く): 1594901240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 31898023, 63796046, 127592092, 159490115, 255184184, 318980230, 637960460, 1275920920]

約数ペア:

[(1, 1275920920), (2, 637960460), (4, 318980230), (5, 255184184), (8, 159490115), (10, 127592092), (20, 63796046), (40, 31898023)]