40170004

素因数分解:

$2^2\times 7^2\times {\mathrm{311}}^1\times {\mathrm{659}}^1$

素因数の和:988

約数の個数: 36

約数和(自身を含む): 82162080

約数和(自身を除く): 41992076

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 311, 622, 659, 1244, 1318, 2177, 2636, 4354, 4613, 8708, 9226, 15239, 18452, 30478, 32291, 60956, 64582, 129164, 204949, 409898, 819796, 1434643, 2869286, 5738572, 10042501, 20085002, 40170004]

約数ペア:

[(1, 40170004), (2, 20085002), (4, 10042501), (7, 5738572), (14, 2869286), (28, 1434643), (49, 819796), (98, 409898), (196, 204949), (311, 129164), (622, 64582), (659, 60956), (1244, 32291), (1318, 30478), (2177, 18452), (2636, 15239), (4354, 9226), (4613, 8708)]