2066540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 5140800

約数和(自身を除く): 3074260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 509, 580, 812, 1015, 1018, 2030, 2036, 2545, 3563, 4060, 5090, 7126, 10180, 14252, 14761, 17815, 29522, 35630, 59044, 71260, 73805, 103327, 147610, 206654, 295220, 413308, 516635, 1033270, 2066540]

約数ペア:

[(1, 2066540), (2, 1033270), (4, 516635), (5, 413308), (7, 295220), (10, 206654), (14, 147610), (20, 103327), (28, 73805), (29, 71260), (35, 59044), (58, 35630), (70, 29522), (116, 17815), (140, 14761), (145, 14252), (203, 10180), (290, 7126), (406, 5090), (509, 4060), (580, 3563), (812, 2545), (1015, 2036), (1018, 2030)]