72868340

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{37561}}^1$

素因数の和:37667

約数の個数: 24

約数和(自身を含む): 154605192

約数和(自身を除く): 81736852

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 37561, 75122, 150244, 187805, 375610, 751220, 3643417, 7286834, 14573668, 18217085, 36434170, 72868340]

約数ペア:

[(1, 72868340), (2, 36434170), (4, 18217085), (5, 14573668), (10, 7286834), (20, 3643417), (97, 751220), (194, 375610), (388, 187805), (485, 150244), (970, 75122), (1940, 37561)]