5280557420

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1340243}}^1$

素因数の和:1340449

約数の個数: 24

約数和(自身を含む): 11145469104

約数和(自身を除く): 5864911684

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 1340243, 2680486, 5360972, 6701215, 13402430, 26804860, 264027871, 528055742, 1056111484, 1320139355, 2640278710, 5280557420]

約数ペア:

[(1, 5280557420), (2, 2640278710), (4, 1320139355), (5, 1056111484), (10, 528055742), (20, 264027871), (197, 26804860), (394, 13402430), (788, 6701215), (985, 5360972), (1970, 2680486), (3940, 1340243)]