7819640840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{26407}}^1$

素因数の和:27102

約数の個数: 64

約数和(自身を含む): 19222911360

約数和(自身を除く): 11403270520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 673, 1346, 2692, 3365, 5384, 6730, 7403, 13460, 14806, 26407, 26920, 29612, 37015, 52814, 59224, 74030, 105628, 132035, 148060, 211256, 264070, 290477, 296120, 528140, 580954, 1056280, 1161908, 1452385, 2323816, 2904770, 5809540, 11619080, 17771911, 35543822, 71087644, 88859555, 142175288, 177719110, 195491021, 355438220, 390982042, 710876440, 781964084, 977455105, 1563928168, 1954910210, 3909820420, 7819640840]

約数ペア:

[(1, 7819640840), (2, 3909820420), (4, 1954910210), (5, 1563928168), (8, 977455105), (10, 781964084), (11, 710876440), (20, 390982042), (22, 355438220), (40, 195491021), (44, 177719110), (55, 142175288), (88, 88859555), (110, 71087644), (220, 35543822), (440, 17771911), (673, 11619080), (1346, 5809540), (2692, 2904770), (3365, 2323816), (5384, 1452385), (6730, 1161908), (7403, 1056280), (13460, 580954), (14806, 528140), (26407, 296120), (26920, 290477), (29612, 264070), (37015, 211256), (52814, 148060), (59224, 132035), (74030, 105628)]