65283080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 150958080

約数和(自身を除く): 85675000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 127, 142, 181, 254, 284, 355, 362, 508, 568, 635, 710, 724, 905, 1016, 1270, 1420, 1448, 1810, 2540, 2840, 3620, 5080, 7240, 9017, 12851, 18034, 22987, 25702, 36068, 45085, 45974, 51404, 64255, 72136, 90170, 91948, 102808, 114935, 128510, 180340, 183896, 229870, 257020, 360680, 459740, 514040, 919480, 1632077, 3264154, 6528308, 8160385, 13056616, 16320770, 32641540, 65283080]

約数ペア:

[(1, 65283080), (2, 32641540), (4, 16320770), (5, 13056616), (8, 8160385), (10, 6528308), (20, 3264154), (40, 1632077), (71, 919480), (127, 514040), (142, 459740), (181, 360680), (254, 257020), (284, 229870), (355, 183896), (362, 180340), (508, 128510), (568, 114935), (635, 102808), (710, 91948), (724, 90170), (905, 72136), (1016, 64255), (1270, 51404), (1420, 45974), (1448, 45085), (1810, 36068), (2540, 25702), (2840, 22987), (3620, 18034), (5080, 12851), (7240, 9017)]