16020640

素因数分解:

$2^5\times 5^1\times {\mathrm{100129}}^1$

素因数の和:100144

約数の個数: 24

約数和(自身を含む): 37849140

約数和(自身を除く): 21828500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 100129, 200258, 400516, 500645, 801032, 1001290, 1602064, 2002580, 3204128, 4005160, 8010320, 16020640]

約数ペア:

[(1, 16020640), (2, 8010320), (4, 4005160), (5, 3204128), (8, 2002580), (10, 1602064), (16, 1001290), (20, 801032), (32, 500645), (40, 400516), (80, 200258), (160, 100129)]