28183100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25621}}^1$

素因数の和:25646

約数の個数: 36

約数和(自身を含む): 66719688

約数和(自身を除く): 38536588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 25621, 51242, 102484, 128105, 256210, 281831, 512420, 563662, 640525, 1127324, 1281050, 1409155, 2562100, 2818310, 5636620, 7045775, 14091550, 28183100]

約数ペア:

[(1, 28183100), (2, 14091550), (4, 7045775), (5, 5636620), (10, 2818310), (11, 2562100), (20, 1409155), (22, 1281050), (25, 1127324), (44, 640525), (50, 563662), (55, 512420), (100, 281831), (110, 256210), (220, 128105), (275, 102484), (550, 51242), (1100, 25621)]