27432280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 64864800

約数和(自身を除く): 37432520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 389, 410, 430, 778, 820, 860, 1556, 1640, 1720, 1763, 1945, 3112, 3526, 3890, 7052, 7780, 8815, 14104, 15560, 15949, 16727, 17630, 31898, 33454, 35260, 63796, 66908, 70520, 79745, 83635, 127592, 133816, 159490, 167270, 318980, 334540, 637960, 669080, 685807, 1371614, 2743228, 3429035, 5486456, 6858070, 13716140, 27432280]

約数ペア:

[(1, 27432280), (2, 13716140), (4, 6858070), (5, 5486456), (8, 3429035), (10, 2743228), (20, 1371614), (40, 685807), (41, 669080), (43, 637960), (82, 334540), (86, 318980), (164, 167270), (172, 159490), (205, 133816), (215, 127592), (328, 83635), (344, 79745), (389, 70520), (410, 66908), (430, 63796), (778, 35260), (820, 33454), (860, 31898), (1556, 17630), (1640, 16727), (1720, 15949), (1763, 15560), (1945, 14104), (3112, 8815), (3526, 7780), (3890, 7052)]