2045080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 4989600

約数和(自身を除く): 2944520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 43, 58, 82, 86, 116, 145, 164, 172, 205, 215, 232, 290, 328, 344, 410, 430, 580, 820, 860, 1160, 1189, 1247, 1640, 1720, 1763, 2378, 2494, 3526, 4756, 4988, 5945, 6235, 7052, 8815, 9512, 9976, 11890, 12470, 14104, 17630, 23780, 24940, 35260, 47560, 49880, 51127, 70520, 102254, 204508, 255635, 409016, 511270, 1022540, 2045080]

約数ペア:

[(1, 2045080), (2, 1022540), (4, 511270), (5, 409016), (8, 255635), (10, 204508), (20, 102254), (29, 70520), (40, 51127), (41, 49880), (43, 47560), (58, 35260), (82, 24940), (86, 23780), (116, 17630), (145, 14104), (164, 12470), (172, 11890), (205, 9976), (215, 9512), (232, 8815), (290, 7052), (328, 6235), (344, 5945), (410, 4988), (430, 4756), (580, 3526), (820, 2494), (860, 2378), (1160, 1763), (1189, 1720), (1247, 1640)]