71064520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{33521}}^1$

素因数の和:33585

約数の個数: 32

約数和(自身を含む): 162916920

約数和(自身を除く): 91852400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 33521, 67042, 134084, 167605, 268168, 335210, 670420, 1340840, 1776613, 3553226, 7106452, 8883065, 14212904, 17766130, 35532260, 71064520]

約数ペア:

[(1, 71064520), (2, 35532260), (4, 17766130), (5, 14212904), (8, 8883065), (10, 7106452), (20, 3553226), (40, 1776613), (53, 1340840), (106, 670420), (212, 335210), (265, 268168), (424, 167605), (530, 134084), (1060, 67042), (2120, 33521)]