4345220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19751}}^1$

素因数の和:19771

約数の個数: 24

約数和(自身を含む): 9955008

約数和(自身を除く): 5609788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 19751, 39502, 79004, 98755, 197510, 217261, 395020, 434522, 869044, 1086305, 2172610, 4345220]

約数ペア:

[(1, 4345220), (2, 2172610), (4, 1086305), (5, 869044), (10, 434522), (11, 395020), (20, 217261), (22, 197510), (44, 98755), (55, 79004), (110, 39502), (220, 19751)]