64432120

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{9311}}^1$

素因数の和:9495

約数の個数: 32

約数和(自身を含む): 145825920

約数和(自身を除く): 81393800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 9311, 18622, 37244, 46555, 74488, 93110, 186220, 372440, 1610803, 3221606, 6443212, 8054015, 12886424, 16108030, 32216060, 64432120]

約数ペア:

[(1, 64432120), (2, 32216060), (4, 16108030), (5, 12886424), (8, 8054015), (10, 6443212), (20, 3221606), (40, 1610803), (173, 372440), (346, 186220), (692, 93110), (865, 74488), (1384, 46555), (1730, 37244), (3460, 18622), (6920, 9311)]