72876640

素因数分解:

$2^5\times 5^1\times {\mathrm{455479}}^1$

素因数の和:455494

約数の個数: 24

約数和(自身を含む): 172171440

約数和(自身を除く): 99294800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 455479, 910958, 1821916, 2277395, 3643832, 4554790, 7287664, 9109580, 14575328, 18219160, 36438320, 72876640]

約数ペア:

[(1, 72876640), (2, 36438320), (4, 18219160), (5, 14575328), (8, 9109580), (10, 7287664), (16, 4554790), (20, 3643832), (32, 2277395), (40, 1821916), (80, 910958), (160, 455479)]