128162020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31567}}^1$

素因数の和:31612

約数の個数: 48

約数和(自身を含む): 318205440

約数和(自身を除く): 190043420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 31567, 63134, 126268, 157835, 220969, 315670, 441938, 631340, 883876, 915443, 1104845, 1830886, 2209690, 3661772, 4419380, 4577215, 6408101, 9154430, 12816202, 18308860, 25632404, 32040505, 64081010, 128162020]

約数ペア:

[(1, 128162020), (2, 64081010), (4, 32040505), (5, 25632404), (7, 18308860), (10, 12816202), (14, 9154430), (20, 6408101), (28, 4577215), (29, 4419380), (35, 3661772), (58, 2209690), (70, 1830886), (116, 1104845), (140, 915443), (145, 883876), (203, 631340), (290, 441938), (406, 315670), (580, 220969), (812, 157835), (1015, 126268), (2030, 63134), (4060, 31567)]