40008015

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 74112480

約数和(自身を除く): 34104465

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 73, 95, 171, 219, 285, 365, 641, 657, 855, 1095, 1387, 1923, 3205, 3285, 4161, 5769, 6935, 9615, 12179, 12483, 20805, 28845, 36537, 46793, 60895, 62415, 109611, 140379, 182685, 233965, 421137, 548055, 701895, 889067, 2105685, 2667201, 4445335, 8001603, 13336005, 40008015]

約数ペア:

[(1, 40008015), (3, 13336005), (5, 8001603), (9, 4445335), (15, 2667201), (19, 2105685), (45, 889067), (57, 701895), (73, 548055), (95, 421137), (171, 233965), (219, 182685), (285, 140379), (365, 109611), (641, 62415), (657, 60895), (855, 46793), (1095, 36537), (1387, 28845), (1923, 20805), (3205, 12483), (3285, 12179), (4161, 9615), (5769, 6935)]