5540808020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{71347}}^1$

素因数の和:71720

約数の個数: 48

約数和(自身を含む): 12729624768

約数和(自身を除く): 7188816748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 353, 706, 1412, 1765, 3530, 3883, 7060, 7766, 15532, 19415, 38830, 71347, 77660, 142694, 285388, 356735, 713470, 784817, 1426940, 1569634, 3139268, 3924085, 7848170, 15696340, 25185491, 50370982, 100741964, 125927455, 251854910, 277040401, 503709820, 554080802, 1108161604, 1385202005, 2770404010, 5540808020]

約数ペア:

[(1, 5540808020), (2, 2770404010), (4, 1385202005), (5, 1108161604), (10, 554080802), (11, 503709820), (20, 277040401), (22, 251854910), (44, 125927455), (55, 100741964), (110, 50370982), (220, 25185491), (353, 15696340), (706, 7848170), (1412, 3924085), (1765, 3139268), (3530, 1569634), (3883, 1426940), (7060, 784817), (7766, 713470), (15532, 356735), (19415, 285388), (38830, 142694), (71347, 77660)]