65640760

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{7043}}^1$

素因数の和:7287

約数の個数: 32

約数和(自身を含む): 148346640

約数和(自身を除く): 82705880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 7043, 9320, 14086, 28172, 35215, 56344, 70430, 140860, 281720, 1641019, 3282038, 6564076, 8205095, 13128152, 16410190, 32820380, 65640760]

約数ペア:

[(1, 65640760), (2, 32820380), (4, 16410190), (5, 13128152), (8, 8205095), (10, 6564076), (20, 3282038), (40, 1641019), (233, 281720), (466, 140860), (932, 70430), (1165, 56344), (1864, 35215), (2330, 28172), (4660, 14086), (7043, 9320)]