27284080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5591}}^1$

素因数の和:5665

約数の個数: 40

約数和(自身を含む): 64486944

約数和(自身を除く): 37202864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5591, 11182, 22364, 27955, 44728, 55910, 89456, 111820, 223640, 341051, 447280, 682102, 1364204, 1705255, 2728408, 3410510, 5456816, 6821020, 13642040, 27284080]

約数ペア:

[(1, 27284080), (2, 13642040), (4, 6821020), (5, 5456816), (8, 3410510), (10, 2728408), (16, 1705255), (20, 1364204), (40, 682102), (61, 447280), (80, 341051), (122, 223640), (244, 111820), (305, 89456), (488, 55910), (610, 44728), (976, 27955), (1220, 22364), (2440, 11182), (4880, 5591)]