313055920

素因数分解:

$2^4\times 5^1\times {\mathrm{3913199}}^1$

素因数の和:3913212

約数の個数: 20

約数和(自身を含む): 727855200

約数和(自身を除く): 414799280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3913199, 7826398, 15652796, 19565995, 31305592, 39131990, 62611184, 78263980, 156527960, 313055920]

約数ペア:

[(1, 313055920), (2, 156527960), (4, 78263980), (5, 62611184), (8, 39131990), (10, 31305592), (16, 19565995), (20, 15652796), (40, 7826398), (80, 3913199)]