247647560

素因数分解:

$2^3\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{4549}}^1$

素因数の和:5921

約数の個数: 32

約数和(自身を含む): 557739000

約数和(自身を除く): 310091440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1361, 2722, 4549, 5444, 6805, 9098, 10888, 13610, 18196, 22745, 27220, 36392, 45490, 54440, 90980, 181960, 6191189, 12382378, 24764756, 30955945, 49529512, 61911890, 123823780, 247647560]

約数ペア:

[(1, 247647560), (2, 123823780), (4, 61911890), (5, 49529512), (8, 30955945), (10, 24764756), (20, 12382378), (40, 6191189), (1361, 181960), (2722, 90980), (4549, 54440), (5444, 45490), (6805, 36392), (9098, 27220), (10888, 22745), (13610, 18196)]