165664540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{1061}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 359329824

約数和(自身を除く): 193665284

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 211, 370, 422, 740, 844, 1055, 1061, 2110, 2122, 4220, 4244, 5305, 7807, 10610, 15614, 21220, 31228, 39035, 39257, 78070, 78514, 156140, 157028, 196285, 223871, 392570, 447742, 785140, 895484, 1119355, 2238710, 4477420, 8283227, 16566454, 33132908, 41416135, 82832270, 165664540]

約数ペア:

[(1, 165664540), (2, 82832270), (4, 41416135), (5, 33132908), (10, 16566454), (20, 8283227), (37, 4477420), (74, 2238710), (148, 1119355), (185, 895484), (211, 785140), (370, 447742), (422, 392570), (740, 223871), (844, 196285), (1055, 157028), (1061, 156140), (2110, 78514), (2122, 78070), (4220, 39257), (4244, 39035), (5305, 31228), (7807, 21220), (10610, 15614)]