1085128420

素因数分解:

$2^2\times 5^1\times {\mathrm{3613}}^1\times {\mathrm{15017}}^1$

素因数の和:18639

約数の個数: 24

約数和(自身を含む): 2279552184

約数和(自身を除く): 1194423764

約数列:

[1, 2, 4, 5, 10, 20, 3613, 7226, 14452, 15017, 18065, 30034, 36130, 60068, 72260, 75085, 150170, 300340, 54256421, 108512842, 217025684, 271282105, 542564210, 1085128420]

約数ペア:

[(1, 1085128420), (2, 542564210), (4, 271282105), (5, 217025684), (10, 108512842), (20, 54256421), (3613, 300340), (7226, 150170), (14452, 75085), (15017, 72260), (18065, 60068), (30034, 36130)]