64323440

素因数分解:

$2^4\times 5^1\times {\mathrm{804043}}^1$

素因数の和:804056

約数の個数: 20

約数和(自身を含む): 149552184

約数和(自身を除く): 85228744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 804043, 1608086, 3216172, 4020215, 6432344, 8040430, 12864688, 16080860, 32161720, 64323440]

約数ペア:

[(1, 64323440), (2, 32161720), (4, 16080860), (5, 12864688), (8, 8040430), (10, 6432344), (16, 4020215), (20, 3216172), (40, 1608086), (80, 804043)]