13642040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5591}}^1$

素因数の和:5663

約数の個数: 32

約数和(自身を含む): 31203360

約数和(自身を除く): 17561320

約数列:

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

約数ペア:

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