16441480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 42134400

約数和(自身を除く): 25692920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 79, 86, 88, 110, 121, 158, 172, 215, 220, 242, 316, 344, 395, 430, 440, 473, 484, 605, 632, 790, 860, 869, 946, 968, 1210, 1580, 1720, 1738, 1892, 2365, 2420, 3160, 3397, 3476, 3784, 4345, 4730, 4840, 5203, 6794, 6952, 8690, 9460, 9559, 10406, 13588, 16985, 17380, 18920, 19118, 20812, 26015, 27176, 33970, 34760, 37367, 38236, 41624, 47795, 52030, 67940, 74734, 76472, 95590, 104060, 135880, 149468, 186835, 191180, 208120, 298936, 373670, 382360, 411037, 747340, 822074, 1494680, 1644148, 2055185, 3288296, 4110370, 8220740, 16441480]

約数ペア:

[(1, 16441480), (2, 8220740), (4, 4110370), (5, 3288296), (8, 2055185), (10, 1644148), (11, 1494680), (20, 822074), (22, 747340), (40, 411037), (43, 382360), (44, 373670), (55, 298936), (79, 208120), (86, 191180), (88, 186835), (110, 149468), (121, 135880), (158, 104060), (172, 95590), (215, 76472), (220, 74734), (242, 67940), (316, 52030), (344, 47795), (395, 41624), (430, 38236), (440, 37367), (473, 34760), (484, 33970), (605, 27176), (632, 26015), (790, 20812), (860, 19118), (869, 18920), (946, 17380), (968, 16985), (1210, 13588), (1580, 10406), (1720, 9559), (1738, 9460), (1892, 8690), (2365, 6952), (2420, 6794), (3160, 5203), (3397, 4840), (3476, 4730), (3784, 4345)]