72647180

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{37447}}^1$

素因数の和:37553

約数の個数: 24

約数和(自身を含む): 154135968

約数和(自身を除く): 81488788

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 37447, 74894, 149788, 187235, 374470, 748940, 3632359, 7264718, 14529436, 18161795, 36323590, 72647180]

約数ペア:

[(1, 72647180), (2, 36323590), (4, 18161795), (5, 14529436), (10, 7264718), (20, 3632359), (97, 748940), (194, 374470), (388, 187235), (485, 149788), (970, 74894), (1940, 37447)]