4257520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2801}}^1$

素因数の和:2833

約数の個数: 40

約数和(自身を含む): 10423440

約数和(自身を除く): 6165920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2801, 5602, 11204, 14005, 22408, 28010, 44816, 53219, 56020, 106438, 112040, 212876, 224080, 266095, 425752, 532190, 851504, 1064380, 2128760, 4257520]

約数ペア:

[(1, 4257520), (2, 2128760), (4, 1064380), (5, 851504), (8, 532190), (10, 425752), (16, 266095), (19, 224080), (20, 212876), (38, 112040), (40, 106438), (76, 56020), (80, 53219), (95, 44816), (152, 28010), (190, 22408), (304, 14005), (380, 11204), (760, 5602), (1520, 2801)]