8784820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 20438208

約数和(自身を除く): 11653388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 547, 730, 803, 1094, 1460, 1606, 2188, 2735, 3212, 4015, 5470, 6017, 8030, 10940, 12034, 16060, 24068, 30085, 39931, 60170, 79862, 120340, 159724, 199655, 399310, 439241, 798620, 878482, 1756964, 2196205, 4392410, 8784820]

約数ペア:

[(1, 8784820), (2, 4392410), (4, 2196205), (5, 1756964), (10, 878482), (11, 798620), (20, 439241), (22, 399310), (44, 199655), (55, 159724), (73, 120340), (110, 79862), (146, 60170), (220, 39931), (292, 30085), (365, 24068), (547, 16060), (730, 12034), (803, 10940), (1094, 8030), (1460, 6017), (1606, 5470), (2188, 4015), (2735, 3212)]