64093280

素因数分解:

$2^5\times 5^1\times {\mathrm{509}}^1\times {\mathrm{787}}^1$

素因数の和:1311

約数の個数: 48

約数和(自身を含む): 151910640

約数和(自身を除く): 87817360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 509, 787, 1018, 1574, 2036, 2545, 3148, 3935, 4072, 5090, 6296, 7870, 8144, 10180, 12592, 15740, 16288, 20360, 25184, 31480, 40720, 62960, 81440, 125920, 400583, 801166, 1602332, 2002915, 3204664, 4005830, 6409328, 8011660, 12818656, 16023320, 32046640, 64093280]

約数ペア:

[(1, 64093280), (2, 32046640), (4, 16023320), (5, 12818656), (8, 8011660), (10, 6409328), (16, 4005830), (20, 3204664), (32, 2002915), (40, 1602332), (80, 801166), (160, 400583), (509, 125920), (787, 81440), (1018, 62960), (1574, 40720), (2036, 31480), (2545, 25184), (3148, 20360), (3935, 16288), (4072, 15740), (5090, 12592), (6296, 10180), (7870, 8144)]