40641860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4759}}^1$

素因数の和:4836

約数の個数: 48

約数和(自身を含む): 99160320

約数和(自身を除く): 58518460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 4759, 8540, 9518, 19036, 23795, 33313, 47590, 66626, 95180, 133252, 166565, 290299, 333130, 580598, 666260, 1161196, 1451495, 2032093, 2902990, 4064186, 5805980, 8128372, 10160465, 20320930, 40641860]

約数ペア:

[(1, 40641860), (2, 20320930), (4, 10160465), (5, 8128372), (7, 5805980), (10, 4064186), (14, 2902990), (20, 2032093), (28, 1451495), (35, 1161196), (61, 666260), (70, 580598), (122, 333130), (140, 290299), (244, 166565), (305, 133252), (427, 95180), (610, 66626), (854, 47590), (1220, 33313), (1708, 23795), (2135, 19036), (4270, 9518), (4759, 8540)]