5449720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3323}}^1$

素因数の和:3375

約数の個数: 32

約数和(自身を含む): 12564720

約数和(自身を除く): 7115000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 3323, 6646, 13292, 16615, 26584, 33230, 66460, 132920, 136243, 272486, 544972, 681215, 1089944, 1362430, 2724860, 5449720]

約数ペア:

[(1, 5449720), (2, 2724860), (4, 1362430), (5, 1089944), (8, 681215), (10, 544972), (20, 272486), (40, 136243), (41, 132920), (82, 66460), (164, 33230), (205, 26584), (328, 16615), (410, 13292), (820, 6646), (1640, 3323)]