28050780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8821}}^1$

素因数の和:8886

約数の個数: 48

約数和(自身を含む): 80033184

約数和(自身を除く): 51982404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 8821, 17642, 26463, 35284, 44105, 52926, 88210, 105852, 132315, 176420, 264630, 467513, 529260, 935026, 1402539, 1870052, 2337565, 2805078, 4675130, 5610156, 7012695, 9350260, 14025390, 28050780]

約数ペア:

[(1, 28050780), (2, 14025390), (3, 9350260), (4, 7012695), (5, 5610156), (6, 4675130), (10, 2805078), (12, 2337565), (15, 1870052), (20, 1402539), (30, 935026), (53, 529260), (60, 467513), (106, 264630), (159, 176420), (212, 132315), (265, 105852), (318, 88210), (530, 52926), (636, 44105), (795, 35284), (1060, 26463), (1590, 17642), (3180, 8821)]