40172020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16879}}^1$

素因数の和:16912

約数の個数: 48

約数和(自身を含む): 102090240

約数和(自身を除く): 61918220

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 16879, 33758, 67516, 84395, 118153, 168790, 236306, 286943, 337580, 472612, 573886, 590765, 1147772, 1181530, 1434715, 2008601, 2363060, 2869430, 4017202, 5738860, 8034404, 10043005, 20086010, 40172020]

約数ペア:

[(1, 40172020), (2, 20086010), (4, 10043005), (5, 8034404), (7, 5738860), (10, 4017202), (14, 2869430), (17, 2363060), (20, 2008601), (28, 1434715), (34, 1181530), (35, 1147772), (68, 590765), (70, 573886), (85, 472612), (119, 337580), (140, 286943), (170, 236306), (238, 168790), (340, 118153), (476, 84395), (595, 67516), (1190, 33758), (2380, 16879)]