2165020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{757}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 5348448

約数和(自身を除く): 3183428

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 757, 1430, 1514, 2860, 3028, 3785, 7570, 8327, 9841, 15140, 16654, 19682, 33308, 39364, 41635, 49205, 83270, 98410, 108251, 166540, 196820, 216502, 433004, 541255, 1082510, 2165020]

約数ペア:

[(1, 2165020), (2, 1082510), (4, 541255), (5, 433004), (10, 216502), (11, 196820), (13, 166540), (20, 108251), (22, 98410), (26, 83270), (44, 49205), (52, 41635), (55, 39364), (65, 33308), (110, 19682), (130, 16654), (143, 15140), (220, 9841), (260, 8327), (286, 7570), (572, 3785), (715, 3028), (757, 2860), (1430, 1514)]