25808020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2221}}^1$

素因数の和:2320

約数の個数: 48

約数和(自身を含む): 62713728

約数和(自身を除く): 36905708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2221, 2324, 2905, 4442, 5810, 8884, 11105, 11620, 15547, 22210, 31094, 44420, 62188, 77735, 155470, 184343, 310940, 368686, 737372, 921715, 1290401, 1843430, 2580802, 3686860, 5161604, 6452005, 12904010, 25808020]

約数ペア:

[(1, 25808020), (2, 12904010), (4, 6452005), (5, 5161604), (7, 3686860), (10, 2580802), (14, 1843430), (20, 1290401), (28, 921715), (35, 737372), (70, 368686), (83, 310940), (140, 184343), (166, 155470), (332, 77735), (415, 62188), (581, 44420), (830, 31094), (1162, 22210), (1660, 15547), (2221, 11620), (2324, 11105), (2905, 8884), (4442, 5810)]