87543440

素因数分解:

$2^4\times 5^1\times {\mathrm{1094293}}^1$

素因数の和:1094306

約数の個数: 20

約数和(自身を含む): 203538684

約数和(自身を除く): 115995244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1094293, 2188586, 4377172, 5471465, 8754344, 10942930, 17508688, 21885860, 43771720, 87543440]

約数ペア:

[(1, 87543440), (2, 43771720), (4, 21885860), (5, 17508688), (8, 10942930), (10, 8754344), (16, 5471465), (20, 4377172), (40, 2188586), (80, 1094293)]