20161932640

素因数分解:

$2^5\times 5^1\times {\mathrm{787}}^1\times {\mathrm{160117}}^1$

素因数の和:160919

約数の個数: 48

約数和(自身を含む): 47693387952

約数和(自身を除く): 27531455312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 787, 1574, 3148, 3935, 6296, 7870, 12592, 15740, 25184, 31480, 62960, 125920, 160117, 320234, 640468, 800585, 1280936, 1601170, 2561872, 3202340, 5123744, 6404680, 12809360, 25618720, 126012079, 252024158, 504048316, 630060395, 1008096632, 1260120790, 2016193264, 2520241580, 4032386528, 5040483160, 10080966320, 20161932640]

約数ペア:

[(1, 20161932640), (2, 10080966320), (4, 5040483160), (5, 4032386528), (8, 2520241580), (10, 2016193264), (16, 1260120790), (20, 1008096632), (32, 630060395), (40, 504048316), (80, 252024158), (160, 126012079), (787, 25618720), (1574, 12809360), (3148, 6404680), (3935, 5123744), (6296, 3202340), (7870, 2561872), (12592, 1601170), (15740, 1280936), (25184, 800585), (31480, 640468), (62960, 320234), (125920, 160117)]