81313600

素因数分解:

$2^6\times 5^2\times {\mathrm{50821}}^1$

素因数の和:50843

約数の個数: 42

約数和(自身を含む): 200086214

約数和(自身を除く): 118772614

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 50821, 101642, 203284, 254105, 406568, 508210, 813136, 1016420, 1270525, 1626272, 2032840, 2541050, 3252544, 4065680, 5082100, 8131360, 10164200, 16262720, 20328400, 40656800, 81313600]

約数ペア:

[(1, 81313600), (2, 40656800), (4, 20328400), (5, 16262720), (8, 10164200), (10, 8131360), (16, 5082100), (20, 4065680), (25, 3252544), (32, 2541050), (40, 2032840), (50, 1626272), (64, 1270525), (80, 1016420), (100, 813136), (160, 508210), (200, 406568), (320, 254105), (400, 203284), (800, 101642), (1600, 50821)]