64025720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145513}}^1$

素因数の和:145535

約数の個数: 32

約数和(自身を含む): 157155120

約数和(自身を除く): 93129400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 145513, 291026, 582052, 727565, 1164104, 1455130, 1600643, 2910260, 3201286, 5820520, 6402572, 8003215, 12805144, 16006430, 32012860, 64025720]

約数ペア:

[(1, 64025720), (2, 32012860), (4, 16006430), (5, 12805144), (8, 8003215), (10, 6402572), (11, 5820520), (20, 3201286), (22, 2910260), (40, 1600643), (44, 1455130), (55, 1164104), (88, 727565), (110, 582052), (220, 291026), (440, 145513)]