145291240

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{26513}}^1$

素因数の和:26661

約数の個数: 32

約数和(自身を含む): 329303880

約数和(自身を除く): 184012640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 26513, 53026, 106052, 132565, 212104, 265130, 530260, 1060520, 3632281, 7264562, 14529124, 18161405, 29058248, 36322810, 72645620, 145291240]

約数ペア:

[(1, 145291240), (2, 72645620), (4, 36322810), (5, 29058248), (8, 18161405), (10, 14529124), (20, 7264562), (40, 3632281), (137, 1060520), (274, 530260), (548, 265130), (685, 212104), (1096, 132565), (1370, 106052), (2740, 53026), (5480, 26513)]