79762820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{56171}}^1$

素因数の和:56251

約数の個数: 24

約数和(自身を含む): 169864128

約数和(自身を除く): 90101308

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 56171, 112342, 224684, 280855, 561710, 1123420, 3988141, 7976282, 15952564, 19940705, 39881410, 79762820]

約数ペア:

[(1, 79762820), (2, 39881410), (4, 19940705), (5, 15952564), (10, 7976282), (20, 3988141), (71, 1123420), (142, 561710), (284, 280855), (355, 224684), (710, 112342), (1420, 56171)]