22400140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{160001}}^1$

素因数の和:160017

約数の個数: 24

約数和(自身を含む): 53760672

約数和(自身を除く): 31360532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 160001, 320002, 640004, 800005, 1120007, 1600010, 2240014, 3200020, 4480028, 5600035, 11200070, 22400140]

約数ペア:

[(1, 22400140), (2, 11200070), (4, 5600035), (5, 4480028), (7, 3200020), (10, 2240014), (14, 1600010), (20, 1120007), (28, 800005), (35, 640004), (70, 320002), (140, 160001)]