40890512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2693}}^1$

素因数の和:2787

約数の個数: 40

約数和(自身を含む): 86520504

約数和(自身を除く): 45629992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1898, 2693, 3796, 5386, 7592, 10772, 15184, 21544, 35009, 43088, 70018, 140036, 196589, 280072, 393178, 560144, 786356, 1572712, 2555657, 3145424, 5111314, 10222628, 20445256, 40890512]

約数ペア:

[(1, 40890512), (2, 20445256), (4, 10222628), (8, 5111314), (13, 3145424), (16, 2555657), (26, 1572712), (52, 786356), (73, 560144), (104, 393178), (146, 280072), (208, 196589), (292, 140036), (584, 70018), (949, 43088), (1168, 35009), (1898, 21544), (2693, 15184), (3796, 10772), (5386, 7592)]