201398840

素因数分解:

$2^3\times 5^1\times {\mathrm{5034971}}^1$

素因数の和:5034982

約数の個数: 16

約数和(自身を含む): 453147480

約数和(自身を除く): 251748640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5034971, 10069942, 20139884, 25174855, 40279768, 50349710, 100699420, 201398840]

約数ペア:

[(1, 201398840), (2, 100699420), (4, 50349710), (5, 40279768), (8, 25174855), (10, 20139884), (20, 10069942), (40, 5034971)]