129383480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{68821}}^1$

素因数の和:68879

約数の個数: 32

約数和(自身を含む): 297311040

約数和(自身を除く): 167927560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 68821, 137642, 275284, 344105, 550568, 688210, 1376420, 2752840, 3234587, 6469174, 12938348, 16172935, 25876696, 32345870, 64691740, 129383480]

約数ペア:

[(1, 129383480), (2, 64691740), (4, 32345870), (5, 25876696), (8, 16172935), (10, 12938348), (20, 6469174), (40, 3234587), (47, 2752840), (94, 1376420), (188, 688210), (235, 550568), (376, 344105), (470, 275284), (940, 137642), (1880, 68821)]