165177920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16651}}^1$

素因数の和:16699

約数の個数: 56

約数和(自身を含む): 406042368

約数和(自身を除く): 240864448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 16651, 33302, 66604, 83255, 133208, 166510, 266416, 333020, 516181, 532832, 666040, 1032362, 1065664, 1332080, 2064724, 2580905, 2664160, 4129448, 5161810, 5328320, 8258896, 10323620, 16517792, 20647240, 33035584, 41294480, 82588960, 165177920]

約数ペア:

[(1, 165177920), (2, 82588960), (4, 41294480), (5, 33035584), (8, 20647240), (10, 16517792), (16, 10323620), (20, 8258896), (31, 5328320), (32, 5161810), (40, 4129448), (62, 2664160), (64, 2580905), (80, 2064724), (124, 1332080), (155, 1065664), (160, 1032362), (248, 666040), (310, 532832), (320, 516181), (496, 333020), (620, 266416), (992, 166510), (1240, 133208), (1984, 83255), (2480, 66604), (4960, 33302), (9920, 16651)]