31125760

素因数分解:

$2^8\times 5^1\times {\mathrm{24317}}^1$

素因数の和:24338

約数の個数: 36

約数和(自身を含む): 74558988

約数和(自身を除く): 43433228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 24317, 48634, 97268, 121585, 194536, 243170, 389072, 486340, 778144, 972680, 1556288, 1945360, 3112576, 3890720, 6225152, 7781440, 15562880, 31125760]

約数ペア:

[(1, 31125760), (2, 15562880), (4, 7781440), (5, 6225152), (8, 3890720), (10, 3112576), (16, 1945360), (20, 1556288), (32, 972680), (40, 778144), (64, 486340), (80, 389072), (128, 243170), (160, 194536), (256, 121585), (320, 97268), (640, 48634), (1280, 24317)]