28541560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13463}}^1$

素因数の和:13527

約数の個数: 32

約数和(自身を含む): 65435040

約数和(自身を除く): 36893480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13463, 26926, 53852, 67315, 107704, 134630, 269260, 538520, 713539, 1427078, 2854156, 3567695, 5708312, 7135390, 14270780, 28541560]

約数ペア:

[(1, 28541560), (2, 14270780), (4, 7135390), (5, 5708312), (8, 3567695), (10, 2854156), (20, 1427078), (40, 713539), (53, 538520), (106, 269260), (212, 134630), (265, 107704), (424, 67315), (530, 53852), (1060, 26926), (2120, 13463)]