2225080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 5896800

約数和(自身を除く): 3671720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 389, 440, 520, 572, 715, 778, 1144, 1430, 1556, 1945, 2860, 3112, 3890, 4279, 5057, 5720, 7780, 8558, 10114, 15560, 17116, 20228, 21395, 25285, 34232, 40456, 42790, 50570, 55627, 85580, 101140, 111254, 171160, 202280, 222508, 278135, 445016, 556270, 1112540, 2225080]

約数ペア:

[(1, 2225080), (2, 1112540), (4, 556270), (5, 445016), (8, 278135), (10, 222508), (11, 202280), (13, 171160), (20, 111254), (22, 101140), (26, 85580), (40, 55627), (44, 50570), (52, 42790), (55, 40456), (65, 34232), (88, 25285), (104, 21395), (110, 20228), (130, 17116), (143, 15560), (220, 10114), (260, 8558), (286, 7780), (389, 5720), (440, 5057), (520, 4279), (572, 3890), (715, 3112), (778, 2860), (1144, 1945), (1430, 1556)]