79719440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 196862400

約数和(自身を除く): 117142960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 179, 190, 293, 304, 358, 380, 586, 716, 760, 895, 1172, 1432, 1465, 1520, 1790, 2344, 2864, 2930, 3401, 3580, 4688, 5567, 5860, 6802, 7160, 11134, 11720, 13604, 14320, 17005, 22268, 23440, 27208, 27835, 34010, 44536, 52447, 54416, 55670, 68020, 89072, 104894, 111340, 136040, 209788, 222680, 262235, 272080, 419576, 445360, 524470, 839152, 996493, 1048940, 1992986, 2097880, 3985972, 4195760, 4982465, 7971944, 9964930, 15943888, 19929860, 39859720, 79719440]

約数ペア:

[(1, 79719440), (2, 39859720), (4, 19929860), (5, 15943888), (8, 9964930), (10, 7971944), (16, 4982465), (19, 4195760), (20, 3985972), (38, 2097880), (40, 1992986), (76, 1048940), (80, 996493), (95, 839152), (152, 524470), (179, 445360), (190, 419576), (293, 272080), (304, 262235), (358, 222680), (380, 209788), (586, 136040), (716, 111340), (760, 104894), (895, 89072), (1172, 68020), (1432, 55670), (1465, 54416), (1520, 52447), (1790, 44536), (2344, 34010), (2864, 27835), (2930, 27208), (3401, 23440), (3580, 22268), (4688, 17005), (5567, 14320), (5860, 13604), (6802, 11720), (7160, 11134)]