2820760

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 6420960

約数和(自身を除く): 3600200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 727, 776, 970, 1454, 1940, 2908, 3635, 3880, 5816, 7270, 14540, 29080, 70519, 141038, 282076, 352595, 564152, 705190, 1410380, 2820760]

約数ペア:

[(1, 2820760), (2, 1410380), (4, 705190), (5, 564152), (8, 352595), (10, 282076), (20, 141038), (40, 70519), (97, 29080), (194, 14540), (388, 7270), (485, 5816), (727, 3880), (776, 3635), (970, 2908), (1454, 1940)]