1398920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 3228120

約数和(自身を除く): 1829200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 853, 1640, 1706, 3412, 4265, 6824, 8530, 17060, 34120, 34973, 69946, 139892, 174865, 279784, 349730, 699460, 1398920]

約数ペア:

[(1, 1398920), (2, 699460), (4, 349730), (5, 279784), (8, 174865), (10, 139892), (20, 69946), (40, 34973), (41, 34120), (82, 17060), (164, 8530), (205, 6824), (328, 4265), (410, 3412), (820, 1706), (853, 1640)]