15715940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8101}}^1$

素因数の和:8207

約数の個数: 24

約数和(自身を含む): 33347832

約数和(自身を除く): 17631892

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 8101, 16202, 32404, 40505, 81010, 162020, 785797, 1571594, 3143188, 3928985, 7857970, 15715940]

約数ペア:

[(1, 15715940), (2, 7857970), (4, 3928985), (5, 3143188), (10, 1571594), (20, 785797), (97, 162020), (194, 81010), (388, 40505), (485, 32404), (970, 16202), (1940, 8101)]