26913640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 66200400

約数和(自身を除く): 39286760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 709, 730, 949, 1418, 1460, 1898, 2836, 2920, 3545, 3796, 4745, 5672, 7090, 7592, 9217, 9490, 14180, 18434, 18980, 28360, 36868, 37960, 46085, 51757, 73736, 92170, 103514, 184340, 207028, 258785, 368680, 414056, 517570, 672841, 1035140, 1345682, 2070280, 2691364, 3364205, 5382728, 6728410, 13456820, 26913640]

約数ペア:

[(1, 26913640), (2, 13456820), (4, 6728410), (5, 5382728), (8, 3364205), (10, 2691364), (13, 2070280), (20, 1345682), (26, 1035140), (40, 672841), (52, 517570), (65, 414056), (73, 368680), (104, 258785), (130, 207028), (146, 184340), (260, 103514), (292, 92170), (365, 73736), (520, 51757), (584, 46085), (709, 37960), (730, 36868), (949, 28360), (1418, 18980), (1460, 18434), (1898, 14180), (2836, 9490), (2920, 9217), (3545, 7592), (3796, 7090), (4745, 5672)]