13339540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 29901312

約数和(自身を除く): 16561772

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 617, 940, 1081, 1234, 2162, 2468, 3085, 4324, 5405, 6170, 10810, 12340, 14191, 21620, 28382, 28999, 56764, 57998, 70955, 115996, 141910, 144995, 283820, 289990, 579980, 666977, 1333954, 2667908, 3334885, 6669770, 13339540]

約数ペア:

[(1, 13339540), (2, 6669770), (4, 3334885), (5, 2667908), (10, 1333954), (20, 666977), (23, 579980), (46, 289990), (47, 283820), (92, 144995), (94, 141910), (115, 115996), (188, 70955), (230, 57998), (235, 56764), (460, 28999), (470, 28382), (617, 21620), (940, 14191), (1081, 12340), (1234, 10810), (2162, 6170), (2468, 5405), (3085, 4324)]