40449640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 118609920

約数和(自身を除く): 78160280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 385, 440, 460, 506, 571, 616, 644, 770, 805, 920, 1012, 1142, 1265, 1288, 1540, 1610, 1771, 2024, 2284, 2530, 2855, 3080, 3220, 3542, 3997, 4568, 5060, 5710, 6281, 6440, 7084, 7994, 8855, 10120, 11420, 12562, 13133, 14168, 15988, 17710, 19985, 22840, 25124, 26266, 31405, 31976, 35420, 39970, 43967, 50248, 52532, 62810, 65665, 70840, 79940, 87934, 91931, 105064, 125620, 131330, 144463, 159880, 175868, 183862, 219835, 251240, 262660, 288926, 351736, 367724, 439670, 459655, 525320, 577852, 722315, 735448, 879340, 919310, 1011241, 1155704, 1444630, 1758680, 1838620, 2022482, 2889260, 3677240, 4044964, 5056205, 5778520, 8089928, 10112410, 20224820, 40449640]

約数ペア:

[(1, 40449640), (2, 20224820), (4, 10112410), (5, 8089928), (7, 5778520), (8, 5056205), (10, 4044964), (11, 3677240), (14, 2889260), (20, 2022482), (22, 1838620), (23, 1758680), (28, 1444630), (35, 1155704), (40, 1011241), (44, 919310), (46, 879340), (55, 735448), (56, 722315), (70, 577852), (77, 525320), (88, 459655), (92, 439670), (110, 367724), (115, 351736), (140, 288926), (154, 262660), (161, 251240), (184, 219835), (220, 183862), (230, 175868), (253, 159880), (280, 144463), (308, 131330), (322, 125620), (385, 105064), (440, 91931), (460, 87934), (506, 79940), (571, 70840), (616, 65665), (644, 62810), (770, 52532), (805, 50248), (920, 43967), (1012, 39970), (1142, 35420), (1265, 31976), (1288, 31405), (1540, 26266), (1610, 25124), (1771, 22840), (2024, 19985), (2284, 17710), (2530, 15988), (2855, 14168), (3080, 13133), (3220, 12562), (3542, 11420), (3997, 10120), (4568, 8855), (5060, 7994), (5710, 7084), (6281, 6440)]