12444880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 33640704

約数和(自身を除く): 21195824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 313, 355, 497, 560, 568, 626, 710, 994, 1136, 1252, 1420, 1565, 1988, 2191, 2485, 2504, 2840, 3130, 3976, 4382, 4970, 5008, 5680, 6260, 7952, 8764, 9940, 10955, 12520, 17528, 19880, 21910, 22223, 25040, 35056, 39760, 43820, 44446, 87640, 88892, 111115, 155561, 175280, 177784, 222230, 311122, 355568, 444460, 622244, 777805, 888920, 1244488, 1555610, 1777840, 2488976, 3111220, 6222440, 12444880]

約数ペア:

[(1, 12444880), (2, 6222440), (4, 3111220), (5, 2488976), (7, 1777840), (8, 1555610), (10, 1244488), (14, 888920), (16, 777805), (20, 622244), (28, 444460), (35, 355568), (40, 311122), (56, 222230), (70, 177784), (71, 175280), (80, 155561), (112, 111115), (140, 88892), (142, 87640), (280, 44446), (284, 43820), (313, 39760), (355, 35056), (497, 25040), (560, 22223), (568, 21910), (626, 19880), (710, 17528), (994, 12520), (1136, 10955), (1252, 9940), (1420, 8764), (1565, 7952), (1988, 6260), (2191, 5680), (2485, 5008), (2504, 4970), (2840, 4382), (3130, 3976)]