28920170

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{70537}}^1$

素因数の和:70585

約数の個数: 16

約数和(自身を含む): 53326728

約数和(自身を除く): 24406558

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 70537, 141074, 352685, 705370, 2892017, 5784034, 14460085, 28920170]

約数ペア:

[(1, 28920170), (2, 14460085), (5, 5784034), (10, 2892017), (41, 705370), (82, 352685), (205, 141074), (410, 70537)]