1969455920

素因数分解:

$2^4\times 5^1\times {\mathrm{24618199}}^1$

素因数の和:24618212

約数の個数: 20

約数和(自身を含む): 4578985200

約数和(自身を除く): 2609529280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24618199, 49236398, 98472796, 123090995, 196945592, 246181990, 393891184, 492363980, 984727960, 1969455920]

約数ペア:

[(1, 1969455920), (2, 984727960), (4, 492363980), (5, 393891184), (8, 246181990), (10, 196945592), (16, 123090995), (20, 98472796), (40, 49236398), (80, 24618199)]