56823280

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2621}}^1$

素因数の和:2905

約数の個数: 40

約数和(自身を含む): 132652224

約数和(自身を除く): 75828944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2621, 2710, 4336, 5242, 5420, 10484, 10840, 13105, 20968, 21680, 26210, 41936, 52420, 104840, 209680, 710291, 1420582, 2841164, 3551455, 5682328, 7102910, 11364656, 14205820, 28411640, 56823280]

約数ペア:

[(1, 56823280), (2, 28411640), (4, 14205820), (5, 11364656), (8, 7102910), (10, 5682328), (16, 3551455), (20, 2841164), (40, 1420582), (80, 710291), (271, 209680), (542, 104840), (1084, 52420), (1355, 41936), (2168, 26210), (2621, 21680), (2710, 20968), (4336, 13105), (5242, 10840), (5420, 10484)]