28397560

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2423}}^1$

素因数の和:2727

約数の個数: 32

約数和(自身を含む): 64139040

約数和(自身を除く): 35741480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2423, 2930, 4846, 5860, 9692, 11720, 12115, 19384, 24230, 48460, 96920, 709939, 1419878, 2839756, 3549695, 5679512, 7099390, 14198780, 28397560]

約数ペア:

[(1, 28397560), (2, 14198780), (4, 7099390), (5, 5679512), (8, 3549695), (10, 2839756), (20, 1419878), (40, 709939), (293, 96920), (586, 48460), (1172, 24230), (1465, 19384), (2344, 12115), (2423, 11720), (2930, 9692), (4846, 5860)]