28838960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18973}}^1$

素因数の和:19005

約数の個数: 40

約数和(自身を含む): 70583280

約数和(自身を除く): 41744320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18973, 37946, 75892, 94865, 151784, 189730, 303568, 360487, 379460, 720974, 758920, 1441948, 1517840, 1802435, 2883896, 3604870, 5767792, 7209740, 14419480, 28838960]

約数ペア:

[(1, 28838960), (2, 14419480), (4, 7209740), (5, 5767792), (8, 3604870), (10, 2883896), (16, 1802435), (19, 1517840), (20, 1441948), (38, 758920), (40, 720974), (76, 379460), (80, 360487), (95, 303568), (152, 189730), (190, 151784), (304, 94865), (380, 75892), (760, 37946), (1520, 18973)]