7929220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30497}}^1$

素因数の和:30519

約数の個数: 24

約数和(自身を含む): 17932824

約数和(自身を除く): 10003604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30497, 60994, 121988, 152485, 304970, 396461, 609940, 792922, 1585844, 1982305, 3964610, 7929220]

約数ペア:

[(1, 7929220), (2, 3964610), (4, 1982305), (5, 1585844), (10, 792922), (13, 609940), (20, 396461), (26, 304970), (52, 152485), (65, 121988), (130, 60994), (260, 30497)]