49212020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17207}}^1$

素因数の和:17240

約数の個数: 48

約数和(自身を含む): 121419648

約数和(自身を除く): 72207628

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, 1430, 2860, 17207, 34414, 68828, 86035, 172070, 189277, 223691, 344140, 378554, 447382, 757108, 894764, 946385, 1118455, 1892770, 2236910, 2460601, 3785540, 4473820, 4921202, 9842404, 12303005, 24606010, 49212020]

約数ペア:

[(1, 49212020), (2, 24606010), (4, 12303005), (5, 9842404), (10, 4921202), (11, 4473820), (13, 3785540), (20, 2460601), (22, 2236910), (26, 1892770), (44, 1118455), (52, 946385), (55, 894764), (65, 757108), (110, 447382), (130, 378554), (143, 344140), (220, 223691), (260, 189277), (286, 172070), (572, 86035), (715, 68828), (1430, 34414), (2860, 17207)]