81950260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13613}}^1$

素因数の和:13672

約数の個数: 48

約数和(自身を含む): 201269376

約数和(自身を除く): 119319116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 13613, 27226, 54452, 68065, 95291, 136130, 190582, 272260, 381164, 476455, 585359, 952910, 1170718, 1905820, 2341436, 2926795, 4097513, 5853590, 8195026, 11707180, 16390052, 20487565, 40975130, 81950260]

約数ペア:

[(1, 81950260), (2, 40975130), (4, 20487565), (5, 16390052), (7, 11707180), (10, 8195026), (14, 5853590), (20, 4097513), (28, 2926795), (35, 2341436), (43, 1905820), (70, 1170718), (86, 952910), (140, 585359), (172, 476455), (215, 381164), (301, 272260), (430, 190582), (602, 136130), (860, 95291), (1204, 68065), (1505, 54452), (3010, 27226), (6020, 13613)]