27678380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 62125056

約数和(自身を除く): 34446676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 170, 254, 340, 508, 635, 641, 1270, 1282, 2159, 2540, 2564, 3205, 4318, 6410, 8636, 10795, 10897, 12820, 21590, 21794, 43180, 43588, 54485, 81407, 108970, 162814, 217940, 325628, 407035, 814070, 1383919, 1628140, 2767838, 5535676, 6919595, 13839190, 27678380]

約数ペア:

[(1, 27678380), (2, 13839190), (4, 6919595), (5, 5535676), (10, 2767838), (17, 1628140), (20, 1383919), (34, 814070), (68, 407035), (85, 325628), (127, 217940), (170, 162814), (254, 108970), (340, 81407), (508, 54485), (635, 43588), (641, 43180), (1270, 21794), (1282, 21590), (2159, 12820), (2540, 10897), (2564, 10795), (3205, 8636), (4318, 6410)]