8111320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 21254400

約数和(自身を除く): 13143080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 491, 590, 826, 982, 1180, 1652, 1964, 2065, 2360, 2455, 3304, 3437, 3928, 4130, 4910, 6874, 8260, 9820, 13748, 16520, 17185, 19640, 27496, 28969, 34370, 57938, 68740, 115876, 137480, 144845, 202783, 231752, 289690, 405566, 579380, 811132, 1013915, 1158760, 1622264, 2027830, 4055660, 8111320]

約数ペア:

[(1, 8111320), (2, 4055660), (4, 2027830), (5, 1622264), (7, 1158760), (8, 1013915), (10, 811132), (14, 579380), (20, 405566), (28, 289690), (35, 231752), (40, 202783), (56, 144845), (59, 137480), (70, 115876), (118, 68740), (140, 57938), (236, 34370), (280, 28969), (295, 27496), (413, 19640), (472, 17185), (491, 16520), (590, 13748), (826, 9820), (982, 8260), (1180, 6874), (1652, 4910), (1964, 4130), (2065, 3928), (2360, 3437), (2455, 3304)]