39198320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{69997}}^1$

素因数の和:70017

約数の個数: 40

約数和(自身を含む): 104157024

約数和(自身を除く): 64958704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 69997, 139994, 279988, 349985, 489979, 559976, 699970, 979958, 1119952, 1399940, 1959916, 2449895, 2799880, 3919832, 4899790, 5599760, 7839664, 9799580, 19599160, 39198320]

約数ペア:

[(1, 39198320), (2, 19599160), (4, 9799580), (5, 7839664), (7, 5599760), (8, 4899790), (10, 3919832), (14, 2799880), (16, 2449895), (20, 1959916), (28, 1399940), (35, 1119952), (40, 979958), (56, 699970), (70, 559976), (80, 489979), (112, 349985), (140, 279988), (280, 139994), (560, 69997)]