13680440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2693}}^1$

素因数の和:2831

約数の個数: 32

約数和(自身を含む): 31034880

約数和(自身を除く): 17354440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 2693, 5080, 5386, 10772, 13465, 21544, 26930, 53860, 107720, 342011, 684022, 1368044, 1710055, 2736088, 3420110, 6840220, 13680440]

約数ペア:

[(1, 13680440), (2, 6840220), (4, 3420110), (5, 2736088), (8, 1710055), (10, 1368044), (20, 684022), (40, 342011), (127, 107720), (254, 53860), (508, 26930), (635, 21544), (1016, 13465), (1270, 10772), (2540, 5386), (2693, 5080)]