1022540

素因数分解:

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

素因数の和:122

約数の個数: 48

約数和(自身を含む): 2328480

約数和(自身を除く): 1305940

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 43, 58, 82, 86, 116, 145, 164, 172, 205, 215, 290, 410, 430, 580, 820, 860, 1189, 1247, 1763, 2378, 2494, 3526, 4756, 4988, 5945, 6235, 7052, 8815, 11890, 12470, 17630, 23780, 24940, 35260, 51127, 102254, 204508, 255635, 511270, 1022540]

約数ペア:

[(1, 1022540), (2, 511270), (4, 255635), (5, 204508), (10, 102254), (20, 51127), (29, 35260), (41, 24940), (43, 23780), (58, 17630), (82, 12470), (86, 11890), (116, 8815), (145, 7052), (164, 6235), (172, 5945), (205, 4988), (215, 4756), (290, 3526), (410, 2494), (430, 2378), (580, 1763), (820, 1247), (860, 1189)]