71647820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{115561}}^1$

素因数の和:115601

約数の個数: 24

約数和(自身を含む): 155315328

約数和(自身を除く): 83667508

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 115561, 231122, 462244, 577805, 1155610, 2311220, 3582391, 7164782, 14329564, 17911955, 35823910, 71647820]

約数ペア:

[(1, 71647820), (2, 35823910), (4, 17911955), (5, 14329564), (10, 7164782), (20, 3582391), (31, 2311220), (62, 1155610), (124, 577805), (155, 462244), (310, 231122), (620, 115561)]