81739540

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{6823}}^1$

素因数の和:7431

約数の個数: 24

約数和(自身を含む): 171964800

約数和(自身を除く): 90225260

約数列:

[1, 2, 4, 5, 10, 20, 599, 1198, 2396, 2995, 5990, 6823, 11980, 13646, 27292, 34115, 68230, 136460, 4086977, 8173954, 16347908, 20434885, 40869770, 81739540]

約数ペア:

[(1, 81739540), (2, 40869770), (4, 20434885), (5, 16347908), (10, 8173954), (20, 4086977), (599, 136460), (1198, 68230), (2396, 34115), (2995, 27292), (5990, 13646), (6823, 11980)]