20180248960

素因数分解:

$2^7\times 5^1\times {\mathrm{31531639}}^1$

素因数の和:31531658

約数の個数: 32

約数和(自身を含む): 48243409200

約数和(自身を除く): 28063160240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31531639, 63063278, 126126556, 157658195, 252253112, 315316390, 504506224, 630632780, 1009012448, 1261265560, 2018024896, 2522531120, 4036049792, 5045062240, 10090124480, 20180248960]

約数ペア:

[(1, 20180248960), (2, 10090124480), (4, 5045062240), (5, 4036049792), (8, 2522531120), (10, 2018024896), (16, 1261265560), (20, 1009012448), (32, 630632780), (40, 504506224), (64, 315316390), (80, 252253112), (128, 157658195), (160, 126126556), (320, 63063278), (640, 31531639)]