84039980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79283}}^1$

素因数の和:79345

約数の個数: 24

約数和(自身を含む): 179816112

約数和(自身を除く): 95776132

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 79283, 158566, 317132, 396415, 792830, 1585660, 4201999, 8403998, 16807996, 21009995, 42019990, 84039980]

約数ペア:

[(1, 84039980), (2, 42019990), (4, 21009995), (5, 16807996), (10, 8403998), (20, 4201999), (53, 1585660), (106, 792830), (212, 396415), (265, 317132), (530, 158566), (1060, 79283)]