15976420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11251}}^1$

素因数の和:11331

約数の個数: 24

約数和(自身を含む): 34026048

約数和(自身を除く): 18049628

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 11251, 22502, 45004, 56255, 112510, 225020, 798821, 1597642, 3195284, 3994105, 7988210, 15976420]

約数ペア:

[(1, 15976420), (2, 7988210), (4, 3994105), (5, 3195284), (10, 1597642), (20, 798821), (71, 225020), (142, 112510), (284, 56255), (355, 45004), (710, 22502), (1420, 11251)]