81907670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33161}}^1$

素因数の和:33200

約数の個数: 32

約数和(自身を含む): 167136480

約数和(自身を除く): 85228810

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 33161, 66322, 165805, 331610, 431093, 630059, 862186, 1260118, 2155465, 3150295, 4310930, 6300590, 8190767, 16381534, 40953835, 81907670]

約数ペア:

[(1, 81907670), (2, 40953835), (5, 16381534), (10, 8190767), (13, 6300590), (19, 4310930), (26, 3150295), (38, 2155465), (65, 1260118), (95, 862186), (130, 630059), (190, 431093), (247, 331610), (494, 165805), (1235, 66322), (2470, 33161)]