712129640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{1361}}^1$

素因数の和:1602

約数の個数: 64

約数和(自身を含む): 1631784960

約数和(自身を除く): 919655320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 127, 206, 254, 412, 508, 515, 635, 824, 1016, 1030, 1270, 1361, 2060, 2540, 2722, 4120, 5080, 5444, 6805, 10888, 13081, 13610, 26162, 27220, 52324, 54440, 65405, 104648, 130810, 140183, 172847, 261620, 280366, 345694, 523240, 560732, 691388, 700915, 864235, 1121464, 1382776, 1401830, 1728470, 2803660, 3456940, 5607320, 6913880, 17803241, 35606482, 71212964, 89016205, 142425928, 178032410, 356064820, 712129640]

約数ペア:

[(1, 712129640), (2, 356064820), (4, 178032410), (5, 142425928), (8, 89016205), (10, 71212964), (20, 35606482), (40, 17803241), (103, 6913880), (127, 5607320), (206, 3456940), (254, 2803660), (412, 1728470), (508, 1401830), (515, 1382776), (635, 1121464), (824, 864235), (1016, 700915), (1030, 691388), (1270, 560732), (1361, 523240), (2060, 345694), (2540, 280366), (2722, 261620), (4120, 172847), (5080, 140183), (5444, 130810), (6805, 104648), (10888, 65405), (13081, 54440), (13610, 52324), (26162, 27220)]