996899920

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1\times {\mathrm{359}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 2353777920

約数和(自身を除く): 1356878000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 337, 359, 412, 515, 674, 718, 824, 1030, 1348, 1436, 1648, 1685, 1795, 2060, 2696, 2872, 3370, 3590, 4120, 5392, 5744, 6740, 7180, 8240, 13480, 14360, 26960, 28720, 34711, 36977, 69422, 73954, 120983, 138844, 147908, 173555, 184885, 241966, 277688, 295816, 347110, 369770, 483932, 555376, 591632, 604915, 694220, 739540, 967864, 1209830, 1388440, 1479080, 1935728, 2419660, 2776880, 2958160, 4839320, 9678640, 12461249, 24922498, 49844996, 62306245, 99689992, 124612490, 199379984, 249224980, 498449960, 996899920]

約数ペア:

[(1, 996899920), (2, 498449960), (4, 249224980), (5, 199379984), (8, 124612490), (10, 99689992), (16, 62306245), (20, 49844996), (40, 24922498), (80, 12461249), (103, 9678640), (206, 4839320), (337, 2958160), (359, 2776880), (412, 2419660), (515, 1935728), (674, 1479080), (718, 1388440), (824, 1209830), (1030, 967864), (1348, 739540), (1436, 694220), (1648, 604915), (1685, 591632), (1795, 555376), (2060, 483932), (2696, 369770), (2872, 347110), (3370, 295816), (3590, 277688), (4120, 241966), (5392, 184885), (5744, 173555), (6740, 147908), (7180, 138844), (8240, 120983), (13480, 73954), (14360, 69422), (26960, 36977), (28720, 34711)]