168441320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97931}}^1$

素因数の和:97985

約数の個数: 32

約数和(自身を含む): 387810720

約数和(自身を除く): 219369400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 97931, 195862, 391724, 489655, 783448, 979310, 1958620, 3917240, 4211033, 8422066, 16844132, 21055165, 33688264, 42110330, 84220660, 168441320]

約数ペア:

[(1, 168441320), (2, 84220660), (4, 42110330), (5, 33688264), (8, 21055165), (10, 16844132), (20, 8422066), (40, 4211033), (43, 3917240), (86, 1958620), (172, 979310), (215, 783448), (344, 489655), (430, 391724), (860, 195862), (1720, 97931)]