40915028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1871}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 90574848

約数和(自身を除く): 49659820

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1871, 1988, 3124, 3742, 5467, 7484, 10934, 13097, 20581, 21868, 26194, 41162, 52388, 82324, 132841, 144067, 265682, 288134, 531364, 576268, 929887, 1461251, 1859774, 2922502, 3719548, 5845004, 10228757, 20457514, 40915028]

約数ペア:

[(1, 40915028), (2, 20457514), (4, 10228757), (7, 5845004), (11, 3719548), (14, 2922502), (22, 1859774), (28, 1461251), (44, 929887), (71, 576268), (77, 531364), (142, 288134), (154, 265682), (284, 144067), (308, 132841), (497, 82324), (781, 52388), (994, 41162), (1562, 26194), (1871, 21868), (1988, 20581), (3124, 13097), (3742, 10934), (5467, 7484)]