40505038

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 71746560

約数和(自身を除く): 31241522

約数列:

[1, 2, 7, 14, 53, 79, 106, 158, 371, 553, 691, 742, 1106, 1382, 4187, 4837, 8374, 9674, 29309, 36623, 54589, 58618, 73246, 109178, 256361, 382123, 512722, 764246, 2893217, 5786434, 20252519, 40505038]

約数ペア:

[(1, 40505038), (2, 20252519), (7, 5786434), (14, 2893217), (53, 764246), (79, 512722), (106, 382123), (158, 256361), (371, 109178), (553, 73246), (691, 58618), (742, 54589), (1106, 36623), (1382, 29309), (4187, 9674), (4837, 8374)]