28988240

素因数分解:

$2^4\times 5^1\times {\mathrm{362353}}^1$

素因数の和:362366

約数の個数: 20

約数和(自身を含む): 67397844

約数和(自身を除く): 38409604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 362353, 724706, 1449412, 1811765, 2898824, 3623530, 5797648, 7247060, 14494120, 28988240]

約数ペア:

[(1, 28988240), (2, 14494120), (4, 7247060), (5, 5797648), (8, 3623530), (10, 2898824), (16, 1811765), (20, 1449412), (40, 724706), (80, 362353)]