87820760

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{3617}}^1$

素因数の和:4235

約数の個数: 32

約数和(自身を含む): 197976960

約数和(自身を除く): 110156200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 3617, 4856, 6070, 7234, 12140, 14468, 18085, 24280, 28936, 36170, 72340, 144680, 2195519, 4391038, 8782076, 10977595, 17564152, 21955190, 43910380, 87820760]

約数ペア:

[(1, 87820760), (2, 43910380), (4, 21955190), (5, 17564152), (8, 10977595), (10, 8782076), (20, 4391038), (40, 2195519), (607, 144680), (1214, 72340), (2428, 36170), (3035, 28936), (3617, 24280), (4856, 18085), (6070, 14468), (7234, 12140)]