26905480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{313}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 69632640

約数和(自身を除く): 42727160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 313, 614, 626, 1228, 1252, 1535, 1565, 2149, 2191, 2456, 2504, 3070, 3130, 4298, 4382, 6140, 6260, 8596, 8764, 10745, 10955, 12280, 12520, 17192, 17528, 21490, 21910, 42980, 43820, 85960, 87640, 96091, 192182, 384364, 480455, 672637, 768728, 960910, 1345274, 1921820, 2690548, 3363185, 3843640, 5381096, 6726370, 13452740, 26905480]

約数ペア:

[(1, 26905480), (2, 13452740), (4, 6726370), (5, 5381096), (7, 3843640), (8, 3363185), (10, 2690548), (14, 1921820), (20, 1345274), (28, 960910), (35, 768728), (40, 672637), (56, 480455), (70, 384364), (140, 192182), (280, 96091), (307, 87640), (313, 85960), (614, 43820), (626, 42980), (1228, 21910), (1252, 21490), (1535, 17528), (1565, 17192), (2149, 12520), (2191, 12280), (2456, 10955), (2504, 10745), (3070, 8764), (3130, 8596), (4298, 6260), (4382, 6140)]