71786980

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{6863}}^1$

素因数の和:7395

約数の個数: 24

約数和(自身を含む): 151062912

約数和(自身を除く): 79275932

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 5230, 6863, 10460, 13726, 27452, 34315, 68630, 137260, 3589349, 7178698, 14357396, 17946745, 35893490, 71786980]

約数ペア:

[(1, 71786980), (2, 35893490), (4, 17946745), (5, 14357396), (10, 7178698), (20, 3589349), (523, 137260), (1046, 68630), (2092, 34315), (2615, 27452), (5230, 13726), (6863, 10460)]