78915280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14723}}^1$

素因数の和:14803

約数の個数: 40

約数和(自身を含む): 186229152

約数和(自身を除く): 107313872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 14723, 29446, 58892, 73615, 117784, 147230, 235568, 294460, 588920, 986441, 1177840, 1972882, 3945764, 4932205, 7891528, 9864410, 15783056, 19728820, 39457640, 78915280]

約数ペア:

[(1, 78915280), (2, 39457640), (4, 19728820), (5, 15783056), (8, 9864410), (10, 7891528), (16, 4932205), (20, 3945764), (40, 1972882), (67, 1177840), (80, 986441), (134, 588920), (268, 294460), (335, 235568), (536, 147230), (670, 117784), (1072, 73615), (1340, 58892), (2680, 29446), (5360, 14723)]