8140700

素因数分解:

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

素因数の和:782

約数の個数: 36

約数和(自身を含む): 17832192

約数和(自身を除く): 9691492

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 254, 508, 635, 641, 1270, 1282, 2540, 2564, 3175, 3205, 6350, 6410, 12700, 12820, 16025, 32050, 64100, 81407, 162814, 325628, 407035, 814070, 1628140, 2035175, 4070350, 8140700]

約数ペア:

[(1, 8140700), (2, 4070350), (4, 2035175), (5, 1628140), (10, 814070), (20, 407035), (25, 325628), (50, 162814), (100, 81407), (127, 64100), (254, 32050), (508, 16025), (635, 12820), (641, 12700), (1270, 6410), (1282, 6350), (2540, 3205), (2564, 3175)]