996819920

素因数分解:

$2^4\times 5^1\times {\mathrm{587}}^1\times {\mathrm{21227}}^1$

素因数の和:21827

約数の個数: 40

約数和(自身を含む): 2321663904

約数和(自身を除く): 1324843984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 587, 1174, 2348, 2935, 4696, 5870, 9392, 11740, 21227, 23480, 42454, 46960, 84908, 106135, 169816, 212270, 339632, 424540, 849080, 1698160, 12460249, 24920498, 49840996, 62301245, 99681992, 124602490, 199363984, 249204980, 498409960, 996819920]

約数ペア:

[(1, 996819920), (2, 498409960), (4, 249204980), (5, 199363984), (8, 124602490), (10, 99681992), (16, 62301245), (20, 49840996), (40, 24920498), (80, 12460249), (587, 1698160), (1174, 849080), (2348, 424540), (2935, 339632), (4696, 212270), (5870, 169816), (9392, 106135), (11740, 84908), (21227, 46960), (23480, 42454)]