16210990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2081}}^1$

素因数の和:2148

約数の個数: 32

約数和(自身を含む): 31479840

約数和(自身を除く): 15268850

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 2081, 3895, 4162, 7790, 10405, 20810, 39539, 79078, 85321, 170642, 197695, 395390, 426605, 853210, 1621099, 3242198, 8105495, 16210990]

約数ペア:

[(1, 16210990), (2, 8105495), (5, 3242198), (10, 1621099), (19, 853210), (38, 426605), (41, 395390), (82, 197695), (95, 170642), (190, 85321), (205, 79078), (410, 39539), (779, 20810), (1558, 10405), (2081, 7790), (3895, 4162)]