19740880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 48568320

約数和(自身を除く): 28827440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 67, 80, 116, 127, 134, 145, 232, 254, 268, 290, 335, 464, 508, 536, 580, 635, 670, 1016, 1072, 1160, 1270, 1340, 1943, 2032, 2320, 2540, 2680, 3683, 3886, 5080, 5360, 7366, 7772, 8509, 9715, 10160, 14732, 15544, 17018, 18415, 19430, 29464, 31088, 34036, 36830, 38860, 42545, 58928, 68072, 73660, 77720, 85090, 136144, 147320, 155440, 170180, 246761, 294640, 340360, 493522, 680720, 987044, 1233805, 1974088, 2467610, 3948176, 4935220, 9870440, 19740880]

約数ペア:

[(1, 19740880), (2, 9870440), (4, 4935220), (5, 3948176), (8, 2467610), (10, 1974088), (16, 1233805), (20, 987044), (29, 680720), (40, 493522), (58, 340360), (67, 294640), (80, 246761), (116, 170180), (127, 155440), (134, 147320), (145, 136144), (232, 85090), (254, 77720), (268, 73660), (290, 68072), (335, 58928), (464, 42545), (508, 38860), (536, 36830), (580, 34036), (635, 31088), (670, 29464), (1016, 19430), (1072, 18415), (1160, 17018), (1270, 15544), (1340, 14732), (1943, 10160), (2032, 9715), (2320, 8509), (2540, 7772), (2680, 7366), (3683, 5360), (3886, 5080)]