144480520

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{3257}}^1$

素因数の和:4377

約数の個数: 32

約数和(自身を含む): 325474200

約数和(自身を除く): 180993680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 2218, 3257, 4436, 5545, 6514, 8872, 11090, 13028, 16285, 22180, 26056, 32570, 44360, 65140, 130280, 3612013, 7224026, 14448052, 18060065, 28896104, 36120130, 72240260, 144480520]

約数ペア:

[(1, 144480520), (2, 72240260), (4, 36120130), (5, 28896104), (8, 18060065), (10, 14448052), (20, 7224026), (40, 3612013), (1109, 130280), (2218, 65140), (3257, 44360), (4436, 32570), (5545, 26056), (6514, 22180), (8872, 16285), (11090, 13028)]