144621520

素因数分解:

$2^4\times 5^1\times {\mathrm{1807769}}^1$

素因数の和:1807782

約数の個数: 20

約数和(自身を含む): 336245220

約数和(自身を除く): 191623700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1807769, 3615538, 7231076, 9038845, 14462152, 18077690, 28924304, 36155380, 72310760, 144621520]

約数ペア:

[(1, 144621520), (2, 72310760), (4, 36155380), (5, 28924304), (8, 18077690), (10, 14462152), (16, 9038845), (20, 7231076), (40, 3615538), (80, 1807769)]