202605020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{1289}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 442108800

約数和(自身を除く): 239503780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 271, 290, 542, 580, 1084, 1289, 1355, 2578, 2710, 5156, 5420, 6445, 7859, 12890, 15718, 25780, 31436, 37381, 39295, 74762, 78590, 149524, 157180, 186905, 349319, 373810, 698638, 747620, 1397276, 1746595, 3493190, 6986380, 10130251, 20260502, 40521004, 50651255, 101302510, 202605020]

約数ペア:

[(1, 202605020), (2, 101302510), (4, 50651255), (5, 40521004), (10, 20260502), (20, 10130251), (29, 6986380), (58, 3493190), (116, 1746595), (145, 1397276), (271, 747620), (290, 698638), (542, 373810), (580, 349319), (1084, 186905), (1289, 157180), (1355, 149524), (2578, 78590), (2710, 74762), (5156, 39295), (5420, 37381), (6445, 31436), (7859, 25780), (12890, 15718)]