38722360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 91238400

約数和(自身を除く): 52516040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 479, 860, 940, 958, 1720, 1880, 1916, 2021, 2395, 3832, 4042, 4790, 8084, 9580, 10105, 16168, 19160, 20210, 20597, 22513, 40420, 41194, 45026, 80840, 82388, 90052, 102985, 112565, 164776, 180104, 205970, 225130, 411940, 450260, 823880, 900520, 968059, 1936118, 3872236, 4840295, 7744472, 9680590, 19361180, 38722360]

約数ペア:

[(1, 38722360), (2, 19361180), (4, 9680590), (5, 7744472), (8, 4840295), (10, 3872236), (20, 1936118), (40, 968059), (43, 900520), (47, 823880), (86, 450260), (94, 411940), (172, 225130), (188, 205970), (215, 180104), (235, 164776), (344, 112565), (376, 102985), (430, 90052), (470, 82388), (479, 80840), (860, 45026), (940, 41194), (958, 40420), (1720, 22513), (1880, 20597), (1916, 20210), (2021, 19160), (2395, 16168), (3832, 10105), (4042, 9580), (4790, 8084)]