27786160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20431}}^1$

素因数の和:20461

約数の個数: 40

約数和(自身を含む): 68406336

約数和(自身を除く): 40620176

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 20431, 40862, 81724, 102155, 163448, 204310, 326896, 347327, 408620, 694654, 817240, 1389308, 1634480, 1736635, 2778616, 3473270, 5557232, 6946540, 13893080, 27786160]

約数ペア:

[(1, 27786160), (2, 13893080), (4, 6946540), (5, 5557232), (8, 3473270), (10, 2778616), (16, 1736635), (17, 1634480), (20, 1389308), (34, 817240), (40, 694654), (68, 408620), (80, 347327), (85, 326896), (136, 204310), (170, 163448), (272, 102155), (340, 81724), (680, 40862), (1360, 20431)]