65562820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{46171}}^1$

素因数の和:46251

約数の個数: 24

約数和(自身を含む): 139624128

約数和(自身を除く): 74061308

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 46171, 92342, 184684, 230855, 461710, 923420, 3278141, 6556282, 13112564, 16390705, 32781410, 65562820]

約数ペア:

[(1, 65562820), (2, 32781410), (4, 16390705), (5, 13112564), (10, 6556282), (20, 3278141), (71, 923420), (142, 461710), (284, 230855), (355, 184684), (710, 92342), (1420, 46171)]