40005000002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1\times {\mathrm{11243}}^1$

素因数の和:12274

約数の個数: 32

約数和(自身を含む): 65881024704

約数和(自身を除く): 25876024702

約数列:

[1, 2, 11, 22, 197, 394, 821, 1642, 2167, 4334, 9031, 11243, 18062, 22486, 123673, 161737, 247346, 323474, 1779107, 2214871, 3558214, 4429742, 9230503, 18461006, 24363581, 48727162, 101535533, 203071066, 1818409091, 3636818182, 20002500001, 40005000002]

約数ペア:

[(1, 40005000002), (2, 20002500001), (11, 3636818182), (22, 1818409091), (197, 203071066), (394, 101535533), (821, 48727162), (1642, 24363581), (2167, 18461006), (4334, 9230503), (9031, 4429742), (11243, 3558214), (18062, 2214871), (22486, 1779107), (123673, 323474), (161737, 247346)]