77975440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23773}}^1$

素因数の和:23827

約数の個数: 40

約数和(自身を含む): 185722488

約数和(自身を除く): 107747048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 23773, 47546, 95092, 118865, 190184, 237730, 380368, 475460, 950920, 974693, 1901840, 1949386, 3898772, 4873465, 7797544, 9746930, 15595088, 19493860, 38987720, 77975440]

約数ペア:

[(1, 77975440), (2, 38987720), (4, 19493860), (5, 15595088), (8, 9746930), (10, 7797544), (16, 4873465), (20, 3898772), (40, 1949386), (41, 1901840), (80, 974693), (82, 950920), (164, 475460), (205, 380368), (328, 237730), (410, 190184), (656, 118865), (820, 95092), (1640, 47546), (3280, 23773)]