8691880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 20736000

約数和(自身を除く): 12044120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 127, 145, 232, 236, 254, 290, 295, 472, 508, 580, 590, 635, 1016, 1160, 1180, 1270, 1711, 2360, 2540, 3422, 3683, 5080, 6844, 7366, 7493, 8555, 13688, 14732, 14986, 17110, 18415, 29464, 29972, 34220, 36830, 37465, 59944, 68440, 73660, 74930, 147320, 149860, 217297, 299720, 434594, 869188, 1086485, 1738376, 2172970, 4345940, 8691880]

約数ペア:

[(1, 8691880), (2, 4345940), (4, 2172970), (5, 1738376), (8, 1086485), (10, 869188), (20, 434594), (29, 299720), (40, 217297), (58, 149860), (59, 147320), (116, 74930), (118, 73660), (127, 68440), (145, 59944), (232, 37465), (236, 36830), (254, 34220), (290, 29972), (295, 29464), (472, 18415), (508, 17110), (580, 14986), (590, 14732), (635, 13688), (1016, 8555), (1160, 7493), (1180, 7366), (1270, 6844), (1711, 5080), (2360, 3683), (2540, 3422)]