87723640

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{3613}}^1$

素因数の和:4231

約数の個数: 32

約数和(自身を含む): 197758080

約数和(自身を除く): 110034440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 3613, 4856, 6070, 7226, 12140, 14452, 18065, 24280, 28904, 36130, 72260, 144520, 2193091, 4386182, 8772364, 10965455, 17544728, 21930910, 43861820, 87723640]

約数ペア:

[(1, 87723640), (2, 43861820), (4, 21930910), (5, 17544728), (8, 10965455), (10, 8772364), (20, 4386182), (40, 2193091), (607, 144520), (1214, 72260), (2428, 36130), (3035, 28904), (3613, 24280), (4856, 18065), (6070, 14452), (7226, 12140)]