21200080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24091}}^1$

素因数の和:24115

約数の個数: 40

約数和(自身を含む): 53773344

約数和(自身を除く): 32573264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24091, 48182, 96364, 120455, 192728, 240910, 265001, 385456, 481820, 530002, 963640, 1060004, 1325005, 1927280, 2120008, 2650010, 4240016, 5300020, 10600040, 21200080]

約数ペア:

[(1, 21200080), (2, 10600040), (4, 5300020), (5, 4240016), (8, 2650010), (10, 2120008), (11, 1927280), (16, 1325005), (20, 1060004), (22, 963640), (40, 530002), (44, 481820), (55, 385456), (80, 265001), (88, 240910), (110, 192728), (176, 120455), (220, 96364), (440, 48182), (880, 24091)]