13386640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8807}}^1$

素因数の和:8839

約数の個数: 40

約数和(自身を含む): 32765760

約数和(自身を除く): 19379120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8807, 17614, 35228, 44035, 70456, 88070, 140912, 167333, 176140, 334666, 352280, 669332, 704560, 836665, 1338664, 1673330, 2677328, 3346660, 6693320, 13386640]

約数ペア:

[(1, 13386640), (2, 6693320), (4, 3346660), (5, 2677328), (8, 1673330), (10, 1338664), (16, 836665), (19, 704560), (20, 669332), (38, 352280), (40, 334666), (76, 176140), (80, 167333), (95, 140912), (152, 88070), (190, 70456), (304, 44035), (380, 35228), (760, 17614), (1520, 8807)]