16390340

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1013}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 34496280

約数和(自身を除く): 18105940

約数列:

[1, 2, 4, 5, 10, 20, 809, 1013, 1618, 2026, 3236, 4045, 4052, 5065, 8090, 10130, 16180, 20260, 819517, 1639034, 3278068, 4097585, 8195170, 16390340]

約数ペア:

[(1, 16390340), (2, 8195170), (4, 4097585), (5, 3278068), (10, 1639034), (20, 819517), (809, 20260), (1013, 16180), (1618, 10130), (2026, 8090), (3236, 5065), (4045, 4052)]