65197120

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2579}}^1$

素因数の和:2675

約数の個数: 56

約数和(自身を含む): 157276800

約数和(自身を除く): 92079680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 2579, 3160, 5056, 5158, 6320, 10316, 12640, 12895, 20632, 25280, 25790, 41264, 51580, 82528, 103160, 165056, 203741, 206320, 407482, 412640, 814964, 825280, 1018705, 1629928, 2037410, 3259856, 4074820, 6519712, 8149640, 13039424, 16299280, 32598560, 65197120]

約数ペア:

[(1, 65197120), (2, 32598560), (4, 16299280), (5, 13039424), (8, 8149640), (10, 6519712), (16, 4074820), (20, 3259856), (32, 2037410), (40, 1629928), (64, 1018705), (79, 825280), (80, 814964), (158, 412640), (160, 407482), (316, 206320), (320, 203741), (395, 165056), (632, 103160), (790, 82528), (1264, 51580), (1580, 41264), (2528, 25790), (2579, 25280), (3160, 20632), (5056, 12895), (5158, 12640), (6320, 10316)]