2753208520

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{438409}}^1$

素因数の和:438577

約数の個数: 32

約数和(自身を含む): 6234190200

約数和(自身を除く): 3480981680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 438409, 876818, 1753636, 2192045, 3507272, 4384090, 8768180, 17536360, 68830213, 137660426, 275320852, 344151065, 550641704, 688302130, 1376604260, 2753208520]

約数ペア:

[(1, 2753208520), (2, 1376604260), (4, 688302130), (5, 550641704), (8, 344151065), (10, 275320852), (20, 137660426), (40, 68830213), (157, 17536360), (314, 8768180), (628, 4384090), (785, 3507272), (1256, 2192045), (1570, 1753636), (3140, 876818), (6280, 438409)]