12993620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 29127168

約数和(自身を除く): 16133548

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 601, 940, 1081, 1202, 2162, 2404, 3005, 4324, 5405, 6010, 10810, 12020, 13823, 21620, 27646, 28247, 55292, 56494, 69115, 112988, 138230, 141235, 276460, 282470, 564940, 649681, 1299362, 2598724, 3248405, 6496810, 12993620]

約数ペア:

[(1, 12993620), (2, 6496810), (4, 3248405), (5, 2598724), (10, 1299362), (20, 649681), (23, 564940), (46, 282470), (47, 276460), (92, 141235), (94, 138230), (115, 112988), (188, 69115), (230, 56494), (235, 55292), (460, 28247), (470, 27646), (601, 21620), (940, 13823), (1081, 12020), (1202, 10810), (2162, 6010), (2404, 5405), (3005, 4324)]