1880521360

素因数分解:

$2^4\times 5^1\times {\mathrm{23506517}}^1$

素因数の和:23506530

約数の個数: 20

約数和(自身を含む): 4372212348

約数和(自身を除く): 2491690988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23506517, 47013034, 94026068, 117532585, 188052136, 235065170, 376104272, 470130340, 940260680, 1880521360]

約数ペア:

[(1, 1880521360), (2, 940260680), (4, 470130340), (5, 376104272), (8, 235065170), (10, 188052136), (16, 117532585), (20, 94026068), (40, 47013034), (80, 23506517)]