492080420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1892617}}^1$

素因数の和:1892639

約数の個数: 24

約数和(自身を含む): 1112859384

約数和(自身を除く): 620778964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1892617, 3785234, 7570468, 9463085, 18926170, 24604021, 37852340, 49208042, 98416084, 123020105, 246040210, 492080420]

約数ペア:

[(1, 492080420), (2, 246040210), (4, 123020105), (5, 98416084), (10, 49208042), (13, 37852340), (20, 24604021), (26, 18926170), (52, 9463085), (65, 7570468), (130, 3785234), (260, 1892617)]