165133840

素因数分解:

$2^4\times 5^1\times {\mathrm{677}}^1\times {\mathrm{3049}}^1$

素因数の和:3739

約数の個数: 40

約数和(自身を含む): 384629400

約数和(自身を除く): 219495560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 677, 1354, 2708, 3049, 3385, 5416, 6098, 6770, 10832, 12196, 13540, 15245, 24392, 27080, 30490, 48784, 54160, 60980, 121960, 243920, 2064173, 4128346, 8256692, 10320865, 16513384, 20641730, 33026768, 41283460, 82566920, 165133840]

約数ペア:

[(1, 165133840), (2, 82566920), (4, 41283460), (5, 33026768), (8, 20641730), (10, 16513384), (16, 10320865), (20, 8256692), (40, 4128346), (80, 2064173), (677, 243920), (1354, 121960), (2708, 60980), (3049, 54160), (3385, 48784), (5416, 30490), (6098, 27080), (6770, 24392), (10832, 15245), (12196, 13540)]