27130640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19949}}^1$

素因数の和:19979

約数の個数: 40

約数和(自身を含む): 66792600

約数和(自身を除く): 39661960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 19949, 39898, 79796, 99745, 159592, 199490, 319184, 339133, 398980, 678266, 797960, 1356532, 1595920, 1695665, 2713064, 3391330, 5426128, 6782660, 13565320, 27130640]

約数ペア:

[(1, 27130640), (2, 13565320), (4, 6782660), (5, 5426128), (8, 3391330), (10, 2713064), (16, 1695665), (17, 1595920), (20, 1356532), (34, 797960), (40, 678266), (68, 398980), (80, 339133), (85, 319184), (136, 199490), (170, 159592), (272, 99745), (340, 79796), (680, 39898), (1360, 19949)]