13421920

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 31978800

約数和(自身を除く): 18556880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 563, 596, 745, 1126, 1192, 1490, 2252, 2384, 2815, 2980, 4504, 4768, 5630, 5960, 9008, 11260, 11920, 18016, 22520, 23840, 45040, 83887, 90080, 167774, 335548, 419435, 671096, 838870, 1342192, 1677740, 2684384, 3355480, 6710960, 13421920]

約数ペア:

[(1, 13421920), (2, 6710960), (4, 3355480), (5, 2684384), (8, 1677740), (10, 1342192), (16, 838870), (20, 671096), (32, 419435), (40, 335548), (80, 167774), (149, 90080), (160, 83887), (298, 45040), (563, 23840), (596, 22520), (745, 18016), (1126, 11920), (1192, 11260), (1490, 9008), (2252, 5960), (2384, 5630), (2815, 4768), (2980, 4504)]