28200040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64091}}^1$

素因数の和:64113

約数の個数: 32

約数和(自身を含む): 69219360

約数和(自身を除く): 41019320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 64091, 128182, 256364, 320455, 512728, 640910, 705001, 1281820, 1410002, 2563640, 2820004, 3525005, 5640008, 7050010, 14100020, 28200040]

約数ペア:

[(1, 28200040), (2, 14100020), (4, 7050010), (5, 5640008), (8, 3525005), (10, 2820004), (11, 2563640), (20, 1410002), (22, 1281820), (40, 705001), (44, 640910), (55, 512728), (88, 320455), (110, 256364), (220, 128182), (440, 64091)]