20199298880

素因数分解:

$2^6\times 5^1\times {\mathrm{63122809}}^1$

素因数の和:63122826

約数の個数: 28

約数和(自身を含む): 48099581220

約数和(自身を除く): 27900282340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63122809, 126245618, 252491236, 315614045, 504982472, 631228090, 1009964944, 1262456180, 2019929888, 2524912360, 4039859776, 5049824720, 10099649440, 20199298880]

約数ペア:

[(1, 20199298880), (2, 10099649440), (4, 5049824720), (5, 4039859776), (8, 2524912360), (10, 2019929888), (16, 1262456180), (20, 1009964944), (32, 631228090), (40, 504982472), (64, 315614045), (80, 252491236), (160, 126245618), (320, 63122809)]