87652280

素因数分解:

$2^3\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1783}}^1$

素因数の和:3023

約数の個数: 32

約数和(自身を含む): 197488800

約数和(自身を除く): 109836520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1229, 1783, 2458, 3566, 4916, 6145, 7132, 8915, 9832, 12290, 14264, 17830, 24580, 35660, 49160, 71320, 2191307, 4382614, 8765228, 10956535, 17530456, 21913070, 43826140, 87652280]

約数ペア:

[(1, 87652280), (2, 43826140), (4, 21913070), (5, 17530456), (8, 10956535), (10, 8765228), (20, 4382614), (40, 2191307), (1229, 71320), (1783, 49160), (2458, 35660), (3566, 24580), (4916, 17830), (6145, 14264), (7132, 12290), (8915, 9832)]