201965480

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{7307}}^1$

素因数の和:8009

約数の個数: 32

約数和(自身を含む): 455142240

約数和(自身を除く): 253176760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 6910, 7307, 13820, 14614, 27640, 29228, 36535, 58456, 73070, 146140, 292280, 5049137, 10098274, 20196548, 25245685, 40393096, 50491370, 100982740, 201965480]

約数ペア:

[(1, 201965480), (2, 100982740), (4, 50491370), (5, 40393096), (8, 25245685), (10, 20196548), (20, 10098274), (40, 5049137), (691, 292280), (1382, 146140), (2764, 73070), (3455, 58456), (5528, 36535), (6910, 29228), (7307, 27640), (13820, 14614)]