22272280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 53602560

約数和(自身を除く): 31330280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 563, 860, 920, 989, 1126, 1720, 1978, 2252, 2815, 3956, 4504, 4945, 5630, 7912, 9890, 11260, 12949, 19780, 22520, 24209, 25898, 39560, 48418, 51796, 64745, 96836, 103592, 121045, 129490, 193672, 242090, 258980, 484180, 517960, 556807, 968360, 1113614, 2227228, 2784035, 4454456, 5568070, 11136140, 22272280]

約数ペア:

[(1, 22272280), (2, 11136140), (4, 5568070), (5, 4454456), (8, 2784035), (10, 2227228), (20, 1113614), (23, 968360), (40, 556807), (43, 517960), (46, 484180), (86, 258980), (92, 242090), (115, 193672), (172, 129490), (184, 121045), (215, 103592), (230, 96836), (344, 64745), (430, 51796), (460, 48418), (563, 39560), (860, 25898), (920, 24209), (989, 22520), (1126, 19780), (1720, 12949), (1978, 11260), (2252, 9890), (2815, 7912), (3956, 5630), (4504, 4945)]