81450680

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{34513}}^1$

素因数の和:34583

約数の個数: 32

約数和(自身を含む): 186375600

約数和(自身を除く): 104924920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 34513, 69026, 138052, 172565, 276104, 345130, 690260, 1380520, 2036267, 4072534, 8145068, 10181335, 16290136, 20362670, 40725340, 81450680]

約数ペア:

[(1, 81450680), (2, 40725340), (4, 20362670), (5, 16290136), (8, 10181335), (10, 8145068), (20, 4072534), (40, 2036267), (59, 1380520), (118, 690260), (236, 345130), (295, 276104), (472, 172565), (590, 138052), (1180, 69026), (2360, 34513)]