61408040

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{6763}}^1$

素因数の和:7001

約数の個数: 32

約数和(自身を含む): 138797280

約数和(自身を除く): 77389240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 6763, 9080, 13526, 27052, 33815, 54104, 67630, 135260, 270520, 1535201, 3070402, 6140804, 7676005, 12281608, 15352010, 30704020, 61408040]

約数ペア:

[(1, 61408040), (2, 30704020), (4, 15352010), (5, 12281608), (8, 7676005), (10, 6140804), (20, 3070402), (40, 1535201), (227, 270520), (454, 135260), (908, 67630), (1135, 54104), (1816, 33815), (2270, 27052), (4540, 13526), (6763, 9080)]