78416560

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3617}}^1$

素因数の和:3901

約数の個数: 40

約数和(自身を含む): 183041856

約数和(自身を除く): 104625296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 3617, 4336, 5420, 7234, 10840, 14468, 18085, 21680, 28936, 36170, 57872, 72340, 144680, 289360, 980207, 1960414, 3920828, 4901035, 7841656, 9802070, 15683312, 19604140, 39208280, 78416560]

約数ペア:

[(1, 78416560), (2, 39208280), (4, 19604140), (5, 15683312), (8, 9802070), (10, 7841656), (16, 4901035), (20, 3920828), (40, 1960414), (80, 980207), (271, 289360), (542, 144680), (1084, 72340), (1355, 57872), (2168, 36170), (2710, 28936), (3617, 21680), (4336, 18085), (5420, 14468), (7234, 10840)]