13123340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 29417472

約数和(自身を除く): 16294132

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 607, 940, 1081, 1214, 2162, 2428, 3035, 4324, 5405, 6070, 10810, 12140, 13961, 21620, 27922, 28529, 55844, 57058, 69805, 114116, 139610, 142645, 279220, 285290, 570580, 656167, 1312334, 2624668, 3280835, 6561670, 13123340]

約数ペア:

[(1, 13123340), (2, 6561670), (4, 3280835), (5, 2624668), (10, 1312334), (20, 656167), (23, 570580), (46, 285290), (47, 279220), (92, 142645), (94, 139610), (115, 114116), (188, 69805), (230, 57058), (235, 55844), (460, 28529), (470, 27922), (607, 21620), (940, 13961), (1081, 12140), (1214, 10810), (2162, 6070), (2428, 5405), (3035, 4324)]