81365650

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{14401}}^1$

素因数の和:14526

約数の個数: 24

約数和(自身を含む): 152690004

約数和(自身を除く): 71324354

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 5650, 14401, 28802, 72005, 144010, 360025, 720050, 1627313, 3254626, 8136565, 16273130, 40682825, 81365650]

約数ペア:

[(1, 81365650), (2, 40682825), (5, 16273130), (10, 8136565), (25, 3254626), (50, 1627313), (113, 720050), (226, 360025), (565, 144010), (1130, 72005), (2825, 28802), (5650, 14401)]