2228120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1051}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 5112720

約数和(自身を除く): 2884600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1051, 1060, 2102, 2120, 4204, 5255, 8408, 10510, 21020, 42040, 55703, 111406, 222812, 278515, 445624, 557030, 1114060, 2228120]

約数ペア:

[(1, 2228120), (2, 1114060), (4, 557030), (5, 445624), (8, 278515), (10, 222812), (20, 111406), (40, 55703), (53, 42040), (106, 21020), (212, 10510), (265, 8408), (424, 5255), (530, 4204), (1051, 2120), (1060, 2102)]