203465480

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{21283}}^1$

素因数の和:21533

約数の個数: 32

約数和(自身を含む): 459734400

約数和(自身を除く): 256268920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 21283, 42566, 85132, 106415, 170264, 212830, 425660, 851320, 5086637, 10173274, 20346548, 25433185, 40693096, 50866370, 101732740, 203465480]

約数ペア:

[(1, 203465480), (2, 101732740), (4, 50866370), (5, 40693096), (8, 25433185), (10, 20346548), (20, 10173274), (40, 5086637), (239, 851320), (478, 425660), (956, 212830), (1195, 170264), (1912, 106415), (2390, 85132), (4780, 42566), (9560, 21283)]