164059160

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^2\times {\mathrm{239}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 373528800

約数和(自身を除く): 209469640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 239, 262, 478, 524, 655, 956, 1048, 1195, 1310, 1912, 2390, 2620, 4780, 5240, 9560, 17161, 31309, 34322, 62618, 68644, 85805, 125236, 137288, 156545, 171610, 250472, 313090, 343220, 626180, 686440, 1252360, 4101479, 8202958, 16405916, 20507395, 32811832, 41014790, 82029580, 164059160]

約数ペア:

[(1, 164059160), (2, 82029580), (4, 41014790), (5, 32811832), (8, 20507395), (10, 16405916), (20, 8202958), (40, 4101479), (131, 1252360), (239, 686440), (262, 626180), (478, 343220), (524, 313090), (655, 250472), (956, 171610), (1048, 156545), (1195, 137288), (1310, 125236), (1912, 85805), (2390, 68644), (2620, 62618), (4780, 34322), (5240, 31309), (9560, 17161)]