171577160

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{12959}}^1$

素因数の和:13301

約数の個数: 32

約数和(自身を含む): 387244800

約数和(自身を除く): 215667640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 12959, 13240, 25918, 51836, 64795, 103672, 129590, 259180, 518360, 4289429, 8578858, 17157716, 21447145, 34315432, 42894290, 85788580, 171577160]

約数ペア:

[(1, 171577160), (2, 85788580), (4, 42894290), (5, 34315432), (8, 21447145), (10, 17157716), (20, 8578858), (40, 4289429), (331, 518360), (662, 259180), (1324, 129590), (1655, 103672), (2648, 64795), (3310, 51836), (6620, 25918), (12959, 13240)]