128824400

素因数分解:

$2^4\times 5^2\times {\mathrm{443}}^1\times {\mathrm{727}}^1$

素因数の和:1188

約数の個数: 60

約数和(自身を含む): 310625952

約数和(自身を除く): 181801552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 443, 727, 886, 1454, 1772, 2215, 2908, 3544, 3635, 4430, 5816, 7088, 7270, 8860, 11075, 11632, 14540, 17720, 18175, 22150, 29080, 35440, 36350, 44300, 58160, 72700, 88600, 145400, 177200, 290800, 322061, 644122, 1288244, 1610305, 2576488, 3220610, 5152976, 6441220, 8051525, 12882440, 16103050, 25764880, 32206100, 64412200, 128824400]

約数ペア:

[(1, 128824400), (2, 64412200), (4, 32206100), (5, 25764880), (8, 16103050), (10, 12882440), (16, 8051525), (20, 6441220), (25, 5152976), (40, 3220610), (50, 2576488), (80, 1610305), (100, 1288244), (200, 644122), (400, 322061), (443, 290800), (727, 177200), (886, 145400), (1454, 88600), (1772, 72700), (2215, 58160), (2908, 44300), (3544, 36350), (3635, 35440), (4430, 29080), (5816, 22150), (7088, 18175), (7270, 17720), (8860, 14540), (11075, 11632)]