39967400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 104323680

約数和(自身を除く): 64356280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 37, 40, 44, 50, 55, 74, 88, 100, 110, 148, 185, 200, 220, 275, 296, 370, 407, 440, 491, 550, 740, 814, 925, 982, 1100, 1480, 1628, 1850, 1964, 2035, 2200, 2455, 3256, 3700, 3928, 4070, 4910, 5401, 7400, 8140, 9820, 10175, 10802, 12275, 16280, 18167, 19640, 20350, 21604, 24550, 27005, 36334, 40700, 43208, 49100, 54010, 72668, 81400, 90835, 98200, 108020, 135025, 145336, 181670, 199837, 216040, 270050, 363340, 399674, 454175, 540100, 726680, 799348, 908350, 999185, 1080200, 1598696, 1816700, 1998370, 3633400, 3996740, 4995925, 7993480, 9991850, 19983700, 39967400]

約数ペア:

[(1, 39967400), (2, 19983700), (4, 9991850), (5, 7993480), (8, 4995925), (10, 3996740), (11, 3633400), (20, 1998370), (22, 1816700), (25, 1598696), (37, 1080200), (40, 999185), (44, 908350), (50, 799348), (55, 726680), (74, 540100), (88, 454175), (100, 399674), (110, 363340), (148, 270050), (185, 216040), (200, 199837), (220, 181670), (275, 145336), (296, 135025), (370, 108020), (407, 98200), (440, 90835), (491, 81400), (550, 72668), (740, 54010), (814, 49100), (925, 43208), (982, 40700), (1100, 36334), (1480, 27005), (1628, 24550), (1850, 21604), (1964, 20350), (2035, 19640), (2200, 18167), (2455, 16280), (3256, 12275), (3700, 10802), (3928, 10175), (4070, 9820), (4910, 8140), (5401, 7400)]