81055160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{54767}}^1$

素因数の和:54815

約数の個数: 32

約数和(自身を含む): 187306560

約数和(自身を除く): 106251400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 54767, 109534, 219068, 273835, 438136, 547670, 1095340, 2026379, 2190680, 4052758, 8105516, 10131895, 16211032, 20263790, 40527580, 81055160]

約数ペア:

[(1, 81055160), (2, 40527580), (4, 20263790), (5, 16211032), (8, 10131895), (10, 8105516), (20, 4052758), (37, 2190680), (40, 2026379), (74, 1095340), (148, 547670), (185, 438136), (296, 273835), (370, 219068), (740, 109534), (1480, 54767)]