22716040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 53602560

約数和(自身を除く): 30886520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 281, 344, 376, 430, 470, 562, 860, 940, 1124, 1405, 1720, 1880, 2021, 2248, 2810, 4042, 5620, 8084, 10105, 11240, 12083, 13207, 16168, 20210, 24166, 26414, 40420, 48332, 52828, 60415, 66035, 80840, 96664, 105656, 120830, 132070, 241660, 264140, 483320, 528280, 567901, 1135802, 2271604, 2839505, 4543208, 5679010, 11358020, 22716040]

約数ペア:

[(1, 22716040), (2, 11358020), (4, 5679010), (5, 4543208), (8, 2839505), (10, 2271604), (20, 1135802), (40, 567901), (43, 528280), (47, 483320), (86, 264140), (94, 241660), (172, 132070), (188, 120830), (215, 105656), (235, 96664), (281, 80840), (344, 66035), (376, 60415), (430, 52828), (470, 48332), (562, 40420), (860, 26414), (940, 24166), (1124, 20210), (1405, 16168), (1720, 13207), (1880, 12083), (2021, 11240), (2248, 10105), (2810, 8084), (4042, 5620)]