28920280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{38053}}^1$

素因数の和:38083

約数の個数: 32

約数和(自身を含む): 68497200

約数和(自身を除く): 39576920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 38053, 76106, 152212, 190265, 304424, 380530, 723007, 761060, 1446014, 1522120, 2892028, 3615035, 5784056, 7230070, 14460140, 28920280]

約数ペア:

[(1, 28920280), (2, 14460140), (4, 7230070), (5, 5784056), (8, 3615035), (10, 2892028), (19, 1522120), (20, 1446014), (38, 761060), (40, 723007), (76, 380530), (95, 304424), (152, 190265), (190, 152212), (380, 76106), (760, 38053)]