80236940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{33713}}^1$

素因数の和:33746

約数の個数: 48

約数和(自身を含む): 203902272

約数和(自身を除く): 123665332

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, 33713, 67426, 134852, 168565, 235991, 337130, 471982, 573121, 674260, 943964, 1146242, 1179955, 2292484, 2359910, 2865605, 4011847, 4719820, 5731210, 8023694, 11462420, 16047388, 20059235, 40118470, 80236940]

約数ペア:

[(1, 80236940), (2, 40118470), (4, 20059235), (5, 16047388), (7, 11462420), (10, 8023694), (14, 5731210), (17, 4719820), (20, 4011847), (28, 2865605), (34, 2359910), (35, 2292484), (68, 1179955), (70, 1146242), (85, 943964), (119, 674260), (140, 573121), (170, 471982), (238, 337130), (340, 235991), (476, 168565), (595, 134852), (1190, 67426), (2380, 33713)]