72521360

素因数分解:

$2^4\times 5^1\times {\mathrm{906517}}^1$

素因数の和:906530

約数の個数: 20

約数和(自身を含む): 168612348

約数和(自身を除く): 96090988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 906517, 1813034, 3626068, 4532585, 7252136, 9065170, 14504272, 18130340, 36260680, 72521360]

約数ペア:

[(1, 72521360), (2, 36260680), (4, 18130340), (5, 14504272), (8, 9065170), (10, 7252136), (16, 4532585), (20, 3626068), (40, 1813034), (80, 906517)]