66848680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27397}}^1$

素因数の和:27469

約数の個数: 32

約数和(自身を含む): 152880840

約数和(自身を除く): 86032160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 27397, 54794, 109588, 136985, 219176, 273970, 547940, 1095880, 1671217, 3342434, 6684868, 8356085, 13369736, 16712170, 33424340, 66848680]

約数ペア:

[(1, 66848680), (2, 33424340), (4, 16712170), (5, 13369736), (8, 8356085), (10, 6684868), (20, 3342434), (40, 1671217), (61, 1095880), (122, 547940), (244, 273970), (305, 219176), (488, 136985), (610, 109588), (1220, 54794), (2440, 27397)]