81275260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4451}}^1$

素因数の和:4554

約数の個数: 48

約数和(自身を含む): 188479872

約数和(自身を除く): 107204612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1826, 3652, 4451, 4565, 8902, 9130, 17804, 18260, 22255, 44510, 48961, 89020, 97922, 195844, 244805, 369433, 489610, 738866, 979220, 1477732, 1847165, 3694330, 4063763, 7388660, 8127526, 16255052, 20318815, 40637630, 81275260]

約数ペア:

[(1, 81275260), (2, 40637630), (4, 20318815), (5, 16255052), (10, 8127526), (11, 7388660), (20, 4063763), (22, 3694330), (44, 1847165), (55, 1477732), (83, 979220), (110, 738866), (166, 489610), (220, 369433), (332, 244805), (415, 195844), (830, 97922), (913, 89020), (1660, 48961), (1826, 44510), (3652, 22255), (4451, 18260), (4565, 17804), (8902, 9130)]