20181427160

素因数分解:

$2^3\times 5^1\times {\mathrm{62761}}^1\times {\mathrm{8039}}^1$

素因数の和:70811

約数の個数: 32

約数和(自身を含む): 45414583200

約数和(自身を除く): 25233156040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8039, 16078, 32156, 40195, 62761, 64312, 80390, 125522, 160780, 251044, 313805, 321560, 502088, 627610, 1255220, 2510440, 504535679, 1009071358, 2018142716, 2522678395, 4036285432, 5045356790, 10090713580, 20181427160]

約数ペア:

[(1, 20181427160), (2, 10090713580), (4, 5045356790), (5, 4036285432), (8, 2522678395), (10, 2018142716), (20, 1009071358), (40, 504535679), (8039, 2510440), (16078, 1255220), (32156, 627610), (40195, 502088), (62761, 321560), (64312, 313805), (80390, 251044), (125522, 160780)]