71565680

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3301}}^1$

素因数の和:3585

約数の個数: 40

約数和(自身を含む): 167054784

約数和(自身を除く): 95489104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 3301, 4336, 5420, 6602, 10840, 13204, 16505, 21680, 26408, 33010, 52816, 66020, 132040, 264080, 894571, 1789142, 3578284, 4472855, 7156568, 8945710, 14313136, 17891420, 35782840, 71565680]

約数ペア:

[(1, 71565680), (2, 35782840), (4, 17891420), (5, 14313136), (8, 8945710), (10, 7156568), (16, 4472855), (20, 3578284), (40, 1789142), (80, 894571), (271, 264080), (542, 132040), (1084, 66020), (1355, 52816), (2168, 33010), (2710, 26408), (3301, 21680), (4336, 16505), (5420, 13204), (6602, 10840)]