80115280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{143063}}^1$

素因数の和:143083

約数の個数: 40

約数和(自身を含む): 212879232

約数和(自身を除く): 132763952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 143063, 286126, 572252, 715315, 1001441, 1144504, 1430630, 2002882, 2289008, 2861260, 4005764, 5007205, 5722520, 8011528, 10014410, 11445040, 16023056, 20028820, 40057640, 80115280]

約数ペア:

[(1, 80115280), (2, 40057640), (4, 20028820), (5, 16023056), (7, 11445040), (8, 10014410), (10, 8011528), (14, 5722520), (16, 5007205), (20, 4005764), (28, 2861260), (35, 2289008), (40, 2002882), (56, 1430630), (70, 1144504), (80, 1001441), (112, 715315), (140, 572252), (280, 286126), (560, 143063)]