40059790

素因数分解:

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

素因数の和:241

約数の個数: 64

約数和(自身を含む): 80870400

約数和(自身を除く): 40810610

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 89, 95, 103, 115, 178, 190, 206, 230, 437, 445, 515, 874, 890, 1030, 1691, 1957, 2047, 2185, 2369, 3382, 3914, 4094, 4370, 4738, 8455, 9167, 9785, 10235, 11845, 16910, 18334, 19570, 20470, 23690, 38893, 45011, 45835, 77786, 90022, 91670, 174173, 194465, 210841, 225055, 348346, 388930, 421682, 450110, 870865, 1054205, 1741730, 2108410, 4005979, 8011958, 20029895, 40059790]

約数ペア:

[(1, 40059790), (2, 20029895), (5, 8011958), (10, 4005979), (19, 2108410), (23, 1741730), (38, 1054205), (46, 870865), (89, 450110), (95, 421682), (103, 388930), (115, 348346), (178, 225055), (190, 210841), (206, 194465), (230, 174173), (437, 91670), (445, 90022), (515, 77786), (874, 45835), (890, 45011), (1030, 38893), (1691, 23690), (1957, 20470), (2047, 19570), (2185, 18334), (2369, 16910), (3382, 11845), (3914, 10235), (4094, 9785), (4370, 9167), (4738, 8455)]