22403980

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{5309}}^1$

素因数の和:5529

約数の個数: 24

約数和(自身を含む): 47280240

約数和(自身を除く): 24876260

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 5309, 10618, 21236, 26545, 53090, 106180, 1120199, 2240398, 4480796, 5600995, 11201990, 22403980]

約数ペア:

[(1, 22403980), (2, 11201990), (4, 5600995), (5, 4480796), (10, 2240398), (20, 1120199), (211, 106180), (422, 53090), (844, 26545), (1055, 21236), (2110, 10618), (4220, 5309)]