164038540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{797}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 354733344

約数和(自身を除く): 190694804

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 251, 410, 502, 797, 820, 1004, 1255, 1594, 2510, 3188, 3985, 5020, 7970, 10291, 15940, 20582, 32677, 41164, 51455, 65354, 102910, 130708, 163385, 200047, 205820, 326770, 400094, 653540, 800188, 1000235, 2000470, 4000940, 8201927, 16403854, 32807708, 41009635, 82019270, 164038540]

約数ペア:

[(1, 164038540), (2, 82019270), (4, 41009635), (5, 32807708), (10, 16403854), (20, 8201927), (41, 4000940), (82, 2000470), (164, 1000235), (205, 800188), (251, 653540), (410, 400094), (502, 326770), (797, 205820), (820, 200047), (1004, 163385), (1255, 130708), (1594, 102910), (2510, 65354), (3188, 51455), (3985, 41164), (5020, 32677), (7970, 20582), (10291, 15940)]