27939160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 67223520

約数和(自身を除く): 39284360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 181, 227, 340, 362, 454, 680, 724, 905, 908, 1135, 1448, 1810, 1816, 2270, 3077, 3620, 3859, 4540, 6154, 7240, 7718, 9080, 12308, 15385, 15436, 19295, 24616, 30770, 30872, 38590, 41087, 61540, 77180, 82174, 123080, 154360, 164348, 205435, 328696, 410870, 698479, 821740, 1396958, 1643480, 2793916, 3492395, 5587832, 6984790, 13969580, 27939160]

約数ペア:

[(1, 27939160), (2, 13969580), (4, 6984790), (5, 5587832), (8, 3492395), (10, 2793916), (17, 1643480), (20, 1396958), (34, 821740), (40, 698479), (68, 410870), (85, 328696), (136, 205435), (170, 164348), (181, 154360), (227, 123080), (340, 82174), (362, 77180), (454, 61540), (680, 41087), (724, 38590), (905, 30872), (908, 30770), (1135, 24616), (1448, 19295), (1810, 15436), (1816, 15385), (2270, 12308), (3077, 9080), (3620, 7718), (3859, 7240), (4540, 6154)]