26889440

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4099}}^1$

素因数の和:4155

約数の個数: 48

約数和(自身を含む): 65091600

約数和(自身を除く): 38202160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 4099, 6560, 8198, 16396, 20495, 32792, 40990, 65584, 81980, 131168, 163960, 168059, 327920, 336118, 655840, 672236, 840295, 1344472, 1680590, 2688944, 3361180, 5377888, 6722360, 13444720, 26889440]

約数ペア:

[(1, 26889440), (2, 13444720), (4, 6722360), (5, 5377888), (8, 3361180), (10, 2688944), (16, 1680590), (20, 1344472), (32, 840295), (40, 672236), (41, 655840), (80, 336118), (82, 327920), (160, 168059), (164, 163960), (205, 131168), (328, 81980), (410, 65584), (656, 40990), (820, 32792), (1312, 20495), (1640, 16396), (3280, 8198), (4099, 6560)]