2763781240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6281321}}^1$

素因数の和:6281343

約数の個数: 32

約数和(自身を含む): 6783827760

約数和(自身を除く): 4020046520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6281321, 12562642, 25125284, 31406605, 50250568, 62813210, 69094531, 125626420, 138189062, 251252840, 276378124, 345472655, 552756248, 690945310, 1381890620, 2763781240]

約数ペア:

[(1, 2763781240), (2, 1381890620), (4, 690945310), (5, 552756248), (8, 345472655), (10, 276378124), (11, 251252840), (20, 138189062), (22, 125626420), (40, 69094531), (44, 62813210), (55, 50250568), (88, 31406605), (110, 25125284), (220, 12562642), (440, 6281321)]