8675420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 19977888

約数和(自身を除く): 11302468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 547, 610, 793, 1094, 1220, 1586, 2188, 2735, 3172, 3965, 5470, 7111, 7930, 10940, 14222, 15860, 28444, 33367, 35555, 66734, 71110, 133468, 142220, 166835, 333670, 433771, 667340, 867542, 1735084, 2168855, 4337710, 8675420]

約数ペア:

[(1, 8675420), (2, 4337710), (4, 2168855), (5, 1735084), (10, 867542), (13, 667340), (20, 433771), (26, 333670), (52, 166835), (61, 142220), (65, 133468), (122, 71110), (130, 66734), (244, 35555), (260, 33367), (305, 28444), (547, 15860), (610, 14222), (793, 10940), (1094, 7930), (1220, 7111), (1586, 5470), (2188, 3965), (2735, 3172)]