80119580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 188697600

約数和(自身を除く): 108578020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 89, 92, 95, 103, 115, 178, 190, 206, 230, 356, 380, 412, 437, 445, 460, 515, 874, 890, 1030, 1691, 1748, 1780, 1957, 2047, 2060, 2185, 2369, 3382, 3914, 4094, 4370, 4738, 6764, 7828, 8188, 8455, 8740, 9167, 9476, 9785, 10235, 11845, 16910, 18334, 19570, 20470, 23690, 33820, 36668, 38893, 39140, 40940, 45011, 45835, 47380, 77786, 90022, 91670, 155572, 174173, 180044, 183340, 194465, 210841, 225055, 348346, 388930, 421682, 450110, 696692, 777860, 843364, 870865, 900220, 1054205, 1741730, 2108410, 3483460, 4005979, 4216820, 8011958, 16023916, 20029895, 40059790, 80119580]

約数ペア:

[(1, 80119580), (2, 40059790), (4, 20029895), (5, 16023916), (10, 8011958), (19, 4216820), (20, 4005979), (23, 3483460), (38, 2108410), (46, 1741730), (76, 1054205), (89, 900220), (92, 870865), (95, 843364), (103, 777860), (115, 696692), (178, 450110), (190, 421682), (206, 388930), (230, 348346), (356, 225055), (380, 210841), (412, 194465), (437, 183340), (445, 180044), (460, 174173), (515, 155572), (874, 91670), (890, 90022), (1030, 77786), (1691, 47380), (1748, 45835), (1780, 45011), (1957, 40940), (2047, 39140), (2060, 38893), (2185, 36668), (2369, 33820), (3382, 23690), (3914, 20470), (4094, 19570), (4370, 18334), (4738, 16910), (6764, 11845), (7828, 10235), (8188, 9785), (8455, 9476), (8740, 9167)]